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EcoSIS Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses (reflectance)

ecosis · NIR

EcoSIS Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses (reflectance). v2.0 standardized NIRS package: 1 spectral source(s), 13 declared target(s). Auto-generated from dataset_card.json (verify before publication).

nirv2ecosis
541
samples
2,151
wavelengths
1
sources
13
targets
27
metadata
NIR
family

Dataset property explorer

Mean profile risk0.41
Highest axisArtefacts locaux · 1.00
Diagnostics8
Sources profiled1
EcoSIS Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses (reflectance) property profile0.250.50.751integritynoiseartefactsbaselinePCA outliersreferencerepeatabilitystructureEcoSIS Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses (reflectance) profileintegrity: 0.00noise: 0.00artefacts: 1.00baseline: 0.80PCA outliers: 0.46reference: 0.34repeatability: 0.00structure: 0.71EcoSIS Leaf and…0 center · 1 outer ring · outward = stronger anomaly / heterogeneity signal

Profile axes

Intégrité0.00
Artefacts locaux1.00
Bruit0.00
Outliers PCA0.46
Distance à la référence0.34
Répétabilité0.00
Baseline / forme0.80
Structure multi-régimes0.71
Diagnostic hypotheses00.250.50.751hypothesis scoreSplice / raccord détecteursSplice / raccord détecteurs: 0.700.70Erreur interpolation / réécha…Erreur interpolation / rééchantillonnage: 0.620.62Erreur calibration / référenc…Erreur calibration / référence blanche: 0.540.54Signature VERA25-likeSignature VERA25-like: 0.530.53Fond différentFond différent: 0.480.48Différence de sonde / géométr…Différence de sonde / géométrie: 0.440.44Spectre saturé / clippingSpectre saturé / clipping: 0.370.37Dataset multi-régimesDataset multi-régimes: 0.350.35
DiagnosticScoreForceSignauxInterprétation probable
Splice / raccord détecteursX0.70moyenneSpike rate 1.00, Jump rate 1.00, SNR non dégradé 1.00Rupture aux jonctions de détecteurs, calibration locale ou sonde différente.
Erreur interpolation / rééchantillonnageX0.62moyenneSpike rate 1.00, Jump rate 1.00, SNR normal/élevé 1.00Artefacts numériques ou traitement spectral incorrect.
Erreur calibration / référence blancheX0.54moyenneartefacts locaux 1.00, Baseline/mean/area 0.80, Mahalanobis / T2 0.46Décalage systématique entre campagnes, instruments ou référence blanche.
Signature VERA25-likeX0.53moyenneSpike rate 1.00, Jump rate 1.00, Mahalanobis / T2 0.46Combinaison possible changement de sonde + splice, amplifiée par géométrie, fond ou calibration.
Fond différentX0.48moyenneBaseline/mean/area 0.80, Mahalanobis / T2 0.46, PCA Q 0.45Effet systématique du support, blanc/noir, transflectance ou environnement de mesure.
Différence de sonde / géométrieX0.44moyenneBaseline/mean/area 0.80, Mahalanobis / T2 0.46, PCA Q 0.45Modification de l'illumination, collecte, angle ou distance sonde-échantillon.
Spectre saturé / clippingX0.37faibleJump rate 1.00, Baseline/mean/area 0.80, PCA Q 0.45Détecteur saturé ou dynamique insuffisante.
Dataset multi-régimesX0.35faibleStructure PCA 0.71, Mahalanobis / T2 0.46, PCA Q 0.45Mélange de campagnes, opérateurs, lots, setups ou sous-populations spectrales.

Spectral sources

leaf_spectra.csv

X · NIR · Spectral Evolution, Spectra Vista Corporation (leaf clip only) PSR+
leaf_spectra.csv spectra0.00.20.40.601,0002,0003,000q05-q95 envelopeq25-q75 envelopemedian spectrummedianq25–q75q05–q95wavelength / nm350nm — median 0.3323 (q25–q75 0.3189–0.3471)365nm — median 0.2759 (q25–q75 0.2647–0.2861)381nm — median 0.2004 (q25–q75 0.1918–0.2093)396nm — median 0.1344 (q25–q75 0.1283–0.1414)412nm — median 0.09678 (q25–q75 0.0905–0.1068)427nm — median 0.08849 (q25–q75 0.07754–0.1034)443nm — median 0.09001 (q25–q75 0.0762–0.1087)458nm — median 0.07803 (q25–q75 0.06306–0.09867)474nm — median 0.0746 (q25–q75 0.05977–0.09643)489nm — median 0.07285 (q25–q75 0.05801–0.09431)505nm — median 0.07368 (q25–q75 0.05891–0.09452)520nm — median 0.0967 (q25–q75 0.08253–0.1153)536nm — median 0.1296 (q25–q75 0.1153–0.1492)551nm — median 0.1383 (q25–q75 0.1234–0.1584)567nm — median 0.1213 (q25–q75 0.1077–0.1424)582nm — median 0.09847 (q25–q75 0.08361–0.1184)597nm — median 0.09012 (q25–q75 0.07604–0.111)613nm — median 0.08073 (q25–q75 0.06635–0.102)628nm — median 0.07509 (q25–q75 0.06114–0.09722)644nm — median 0.06934 (q25–q75 0.05527–0.09051)659nm — median 0.06392 (q25–q75 0.04935–0.08522)675nm — median 0.06191 (q25–q75 0.04773–0.08338)690nm — median 0.07237 (q25–q75 0.05874–0.09449)706nm — median 0.1907 (q25–q75 0.174–0.209)721nm — median 0.3604 (q25–q75 0.3439–0.3769)737nm — median 0.4901 (q25–q75 0.477–0.5039)752nm — median 0.5305 (q25–q75 0.5175–0.5452)768nm — median 0.5402 (q25–q75 0.5269–0.5548)783nm — median 0.5418 (q25–q75 0.5288–0.5569)799nm — median 0.5422 (q25–q75 0.5289–0.557)814nm — median 0.542 (q25–q75 0.5292–0.5569)829nm — median 0.5417 (q25–q75 0.5289–0.5568)845nm — median 0.5416 (q25–q75 0.5285–0.5565)860nm — median 0.5416 (q25–q75 0.5289–0.5567)876nm — median 0.5416 (q25–q75 0.5286–0.5566)891nm — median 0.5409 (q25–q75 0.5282–0.5563)907nm — median 0.5403 (q25–q75 0.5274–0.5556)922nm — median 0.539 (q25–q75 0.5266–0.5544)938nm — median 0.5357 (q25–q75 0.5232–0.551)953nm — median 0.5285 (q25–q75 0.5165–0.5434)969nm — median 0.5231 (q25–q75 0.5104–0.5378)984nm — median 0.5208 (q25–q75 0.5083–0.5352)1,000nm — median 0.5243 (q25–q75 0.5119–0.5387)1,015nm — median 0.5277 (q25–q75 0.5151–0.5428)1,031nm — median 0.5305 (q25–q75 0.5183–0.5458)1,046nm — median 0.5331 (q25–q75 0.521–0.5485)1,062nm — median 0.5341 (q25–q75 0.5222–0.5495)1,077nm — median 0.534 (q25–q75 0.5222–0.5491)1,092nm — median 0.5325 (q25–q75 0.5206–0.5479)1,108nm — median 0.5307 (q25–q75 0.5186–0.5455)1,123nm — median 0.5267 (q25–q75 0.5149–0.5421)1,139nm — median 0.5134 (q25–q75 0.5016–0.5279)1,154nm — median 0.4963 (q25–q75 0.4837–0.5108)1,170nm — median 0.4914 (q25–q75 0.478–0.5056)1,185nm — median 0.4897 (q25–q75 0.4762–0.5036)1,201nm — median 0.489 (q25–q75 0.4758–0.5031)1,216nm — median 0.4911 (q25–q75 0.4781–0.5054)1,232nm — median 0.4936 (q25–q75 0.4809–0.5082)1,247nm — median 0.4953 (q25–q75 0.4829–0.5098)1,263nm — median 0.4961 (q25–q75 0.4834–0.5107)1,278nm — median 0.4942 (q25–q75 0.4816–0.5088)1,294nm — median 0.4885 (q25–q75 0.4757–0.5032)1,309nm — median 0.4795 (q25–q75 0.4656–0.4935)1,324nm — median 0.4637 (q25–q75 0.4487–0.4772)1,340nm — median 0.4411 (q25–q75 0.4257–0.4549)1,355nm — median 0.4219 (q25–q75 0.4056–0.4356)1,371nm — median 0.3928 (q25–q75 0.3749–0.4071)1,386nm — median 0.3202 (q25–q75 0.3006–0.3357)1,402nm — median 0.2162 (q25–q75 0.1989–0.2315)1,417nm — median 0.1666 (q25–q75 0.1529–0.1821)1,433nm — median 0.1498 (q25–q75 0.1368–0.1646)1,448nm — median 0.1463 (q25–q75 0.1332–0.1611)1,464nm — median 0.1511 (q25–q75 0.1378–0.166)1,479nm — median 0.1674 (q25–q75 0.1527–0.1834)1,495nm — median 0.1914 (q25–q75 0.1753–0.2077)1,510nm — median 0.2159 (q25–q75 0.199–0.2331)1,526nm — median 0.2418 (q25–q75 0.2237–0.2589)1,541nm — median 0.2637 (q25–q75 0.2459–0.282)1,556nm — median 0.284 (q25–q75 0.2661–0.3019)1,572nm — median 0.3016 (q25–q75 0.2835–0.3193)1,587nm — median 0.3161 (q25–q75 0.2976–0.3331)1,603nm — median 0.3288 (q25–q75 0.3109–0.3457)1,618nm — median 0.3387 (q25–q75 0.3212–0.3554)1,634nm — median 0.3471 (q25–q75 0.3289–0.3636)1,649nm — median 0.353 (q25–q75 0.3344–0.369)1,665nm — median 0.3556 (q25–q75 0.3372–0.3719)1,680nm — median 0.3546 (q25–q75 0.3366–0.3711)1,696nm — median 0.3492 (q25–q75 0.3313–0.3658)1,711nm — median 0.3437 (q25–q75 0.326–0.3601)1,727nm — median 0.3361 (q25–q75 0.318–0.3525)1,742nm — median 0.3258 (q25–q75 0.3077–0.3424)1,758nm — median 0.3119 (q25–q75 0.2937–0.3289)1,773nm — median 0.3009 (q25–q75 0.283–0.3179)1,788nm — median 0.2967 (q25–q75 0.2782–0.3131)1,804nm — median 0.2966 (q25–q75 0.2782–0.3131)1,819nm — median 0.2964 (q25–q75 0.2784–0.3132)1,835nm — median 0.2914 (q25–q75 0.2728–0.3076)1,850nm — median 0.2714 (q25–q75 0.2531–0.2882)1,866nm — median 0.2194 (q25–q75 0.2033–0.2352)1,881nm — median 0.1323 (q25–q75 0.1207–0.1448)1,897nm — median 0.06314 (q25–q75 0.0576–0.06996)1,912nm — median 0.04552 (q25–q75 0.04087–0.0514)1,928nm — median 0.0428 (q25–q75 0.03805–0.04834)1,943nm — median 0.0446 (q25–q75 0.03989–0.05028)1,959nm — median 0.0502 (q25–q75 0.04506–0.05643)1,974nm — median 0.05742 (q25–q75 0.05192–0.06419)1,990nm — median 0.06797 (q25–q75 0.06166–0.07525)2,005nm — median 0.07973 (q25–q75 0.07221–0.08928)2,021nm — median 0.09335 (q25–q75 0.08475–0.1046)2,036nm — median 0.107 (q25–q75 0.09725–0.1191)2,051nm — median 0.1204 (q25–q75 0.1091–0.1332)2,067nm — median 0.1348 (q25–q75 0.1224–0.1485)2,082nm — median 0.1494 (q25–q75 0.1363–0.1641)2,098nm — median 0.165 (q25–q75 0.1505–0.1808)2,113nm — median 0.1793 (q25–q75 0.1638–0.1953)2,129nm — median 0.1933 (q25–q75 0.1765–0.2101)2,144nm — median 0.2026 (q25–q75 0.1857–0.2203)2,160nm — median 0.21 (q25–q75 0.1923–0.2274)2,175nm — median 0.2152 (q25–q75 0.1975–0.2319)2,191nm — median 0.2208 (q25–q75 0.202–0.237)2,206nm — median 0.2243 (q25–q75 0.205–0.2404)2,222nm — median 0.2246 (q25–q75 0.2058–0.2406)2,237nm — median 0.2208 (q25–q75 0.2021–0.2364)2,253nm — median 0.2105 (q25–q75 0.1924–0.2261)2,268nm — median 0.1968 (q25–q75 0.1794–0.2129)2,283nm — median 0.184 (q25–q75 0.1667–0.1995)2,299nm — median 0.1726 (q25–q75 0.1568–0.1875)2,314nm — median 0.1608 (q25–q75 0.1459–0.1754)2,330nm — median 0.1505 (q25–q75 0.136–0.1643)2,345nm — median 0.1385 (q25–q75 0.1255–0.1524)2,361nm — median 0.1269 (q25–q75 0.1151–0.1396)2,376nm — median 0.1158 (q25–q75 0.1055–0.128)2,392nm — median 0.1047 (q25–q75 0.09529–0.1163)2,407nm — median 0.09445 (q25–q75 0.08557–0.105)2,423nm — median 0.08354 (q25–q75 0.0755–0.09337)2,438nm — median 0.07424 (q25–q75 0.06678–0.08302)2,454nm — median 0.06514 (q25–q75 0.05878–0.07303)2,469nm — median 0.05823 (q25–q75 0.05242–0.06536)2,485nm — median 0.05287 (q25–q75 0.04736–0.05928)2,500nm — median 0.04994 (q25–q75 0.04477–0.0555)

Sampling

Wavelengths2,151
Axis range350–2,500 nm
Mean spacing1 nm
Griduniform
Observations541

Signal & quality

Value range0.0226 – 0.662
Mean range0.044 – 0.544
Mean level0.2782
Area598.3
PTP0.5001
Noise RMS3.0873e-05
SNR9e+03
SNR dB8e+01 dB
Dynamic range0.5
Smoothness0.0004227
Saturated0.0%
X-outliers163

Integrity & artefacts

NaN ratio0.00%
Inf count0
Zero ratio0.00%
Spike count87,761
Spike rate7.55%
Jump count29,387
Jump rate2.53%
Clip fraction0.00%

Shape & reference

Baseline slope-0.2009
Curvature RMS0.00043372
D1 RMS0.0020537
RMS to mean0.01841
RMS p950.037828
SAM to mean0.03798
SAM p950.076
Affine offset p950.032892
Affine gain p95 Δ0.079962
Affine residual p950.020294
Xcorr lag p950

Outliers & repeatability

PCA Q p95/median3.6
Hotelling T2 p95/median3.4
Mahalanobis H p95/median1.8
Repeat groups0

Dimensionality (PCA)

Effective rank2.8
PCs → 95% var3
PCs → 99% var6
Top-10 cum. var99.7%
Computed metric scores 29worst 1.00
FamilleMétrique calculéeValeurScoreNiveauInterprétation datasetCauses typiquesCalcul / scoring
Intégrité des donnéesNaN ratiointegrity.nan_ratio0%0.00faibleSpectre completErreur acquisition/exportcount(isnan(X)) / X.sizealert = min(1, nan_ratio / 0.05)
Intégrité des donnéesInf countintegrity.inf_count00.00faibleNormalCalculs invalidescount(isinf(X))alert = min(1, inf_count / 1)
Intégrité des donnéesZero ratiointegrity.zero_ratio0%0.00faibleNormalExport, saturationcount(X == 0) / count(finite X)alert = min(1, zero_ratio / 0.05)
Amplitude globaleMean reflectanceamplitude.mean_reflectance0.278230.80fortValeur atypique: Trop clair / fond visible ou Trop sombreFond, géométriemean(X finite)alert reuses baseline/shape drift because absolute reflectance ranges are technology-dependent
Amplitude globaleArea under curveamplitude.area_under_curve598.280.80fortValeur atypique: Différence d'éclairement ou NormalDistance sondetrapezoid(mean_spectrum, spectral_axis)alert reuses baseline/shape drift because area scale depends on axis and units
Amplitude globalePeak-to-peak (PTP)amplitude.peak_to_peak0.500070.00faibleVariabilité forteSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceamplitude.variance0.0310750.00faibleNormal ou hétérogèneMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSnoise.noise_rms3.0873e-050.00faibleStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRnoise.snr9012.10.00faibleBon signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRnoise.bandwise_snr_min136.480.00faibleZone fiableDétecteurmin(abs(mean_spectrum) / local second-derivative noise)alert decreases with worst-band SNR dB; >=35 dB is treated as low alert
Artefacts locauxSpike countartefacts.spike_count87,7611.00fortArtefactsCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateartefacts.spike_rate7.55%1.00fortSpectre suspectInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countartefacts.jump_count29,3871.00fortRaccord détecteurSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateartefacts.jump_rate2.53%1.00fortProblème spectralCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionartefacts.clip_fraction0.000172%0.00faibleNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopeshape.baseline_slope-0.20090.80fortDériveÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSshape.curvature_rms0.000433720.09faibleLisseFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSshape.d1_rms0.00205370.08faiblePlatBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)outliers.pca_q_ratio3.57370.45moyenSpectre atypiqueArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²outliers.hotelling_t2_ratio3.36630.42moyenExtrême mais cohérentVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis Houtliers.mahalanobis_h_ratio1.83470.46moyenOutlier globalDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumreference.rms_to_mean_spectrum_p950.0378280.30faibleTypiqueDomain shiftp95 RMS distance to dataset mean spectrumalert = RMS_p95 / signal_scale, saturated at 25%
Comparaison à référenceSpectral Angle Mapper (SAM)reference.sam_to_mean_spectrum_p950.0760.22faibleSimilaireFond, géométriep95 spectral angle to dataset mean spectrumalert = min(1, SAM_p95 / 0.35 rad)
RépétabilitéRMS intra-IDrepeatability.rms_intra_id0.00faibleStablePositionnementmedian RMS distance to repeated-sample centroidalert = RMS_intra_ID / signal_scale, saturated at 10%
RépétabilitéSAM intra-IDrepeatability.sam_intra_id0.00faibleStableAcquisitionmedian SAM to repeated-sample centroidalert = min(1, SAM_intra_ID / 0.15 rad)
RépétabilitéCV intra-IDrepeatability.cv_intra_id0.00faibleStableOpérateurmedian within-ID band CValert = min(1, CV_intra_ID / 0.25)
Structure du datasetPCA score densitystructure.pca_score_density4.79930.71moyenSous-populationsLots différents1 / median kNN distance in PCA score spacealert follows density_cv/profile structure complexity, not raw density alone
Structure du datasetLocal Outlier Factor (LOF)structure.local_outlier_factor_p952.11950.56moyenSpectre isoléCas raresp95 approximate LOF from PCA-score kNN distancesalert = min(1, max(0, LOF_p95 - 1) / 2)
Structure du datasetIsolation Forest scorestructure.isolation_forest_score_p950.551180.71moyenSpectre atypiqueDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
X PCA score plot-4-2024-2-101PC1 -0.2059 · PC2 -0.495PC1 0.1711 · PC2 -0.7758PC1 -1.498 · PC2 -0.09708PC1 -1.366 · PC2 0.006545PC1 -0.1718 · PC2 -0.6804PC1 0.1932 · PC2 -1.054PC1 -0.8378 · PC2 -0.6612PC1 -0.985 · PC2 -0.2666PC1 0.5073 · PC2 -0.6504PC1 -1.38 · PC2 -0.31PC1 1.252 · PC2 -1.138PC1 -0.8077 · PC2 -0.3914PC1 -0.1976 · PC2 -0.7271PC1 0.3746 · PC2 -0.8272PC1 -0.3851 · PC2 -0.5285PC1 -0.01153 · PC2 -0.6666PC1 -0.3354 · PC2 -0.4992PC1 -0.362 · PC2 -0.7529PC1 -0.4517 · PC2 -0.3414PC1 -0.2878 · PC2 -0.5783PC1 -1.541 · PC2 -0.3387PC1 -1.799 · PC2 -0.3709PC1 -0.2405 · PC2 -0.8769PC1 -1.406 · PC2 -0.4226PC1 0.3557 · PC2 -0.9067PC1 -1.182 · PC2 -0.7201PC1 0.5223 · PC2 -0.8362PC1 0.4036 · PC2 -0.5279PC1 -1.64 · PC2 -0.5775PC1 0.04645 · PC2 -0.5432PC1 -0.682 · PC2 -0.6807PC1 -0.1147 · PC2 -0.7926PC1 -1.743 · PC2 -0.2118PC1 -1.235 · PC2 -0.5626PC1 -0.0001838 · PC2 -0.4906PC1 -0.8771 · PC2 -0.5032PC1 -0.9751 · PC2 -0.6572PC1 -1.153 · PC2 -0.3268PC1 -0.5633 · PC2 -0.6704PC1 -1.184 · PC2 -0.4658PC1 -0.4707 · PC2 -0.3965PC1 -1.029 · PC2 -0.3336PC1 -1.16 · PC2 -0.4917PC1 -0.02802 · PC2 -1.022PC1 -1.127 · PC2 -0.3961PC1 -0.639 · PC2 -0.393PC1 -0.8478 · PC2 -0.4383PC1 -1.534 · PC2 -0.3912PC1 0.5065 · PC2 -0.9627PC1 -1.091 · PC2 -0.3087PC1 -1.431 · PC2 -0.2976PC1 -0.2268 · PC2 -0.4845PC1 -0.8313 · PC2 -0.2456PC1 -0.994 · PC2 -0.08917PC1 -1.274 · PC2 0.07853PC1 -0.187 · PC2 -0.6656PC1 -1.556 · PC2 -0.3887PC1 -0.2765 · PC2 -0.6273PC1 -0.4866 · PC2 -0.8607PC1 -0.7967 · PC2 -0.1258PC1 -1.82 · PC2 -0.5649PC1 -0.7344 · PC2 -0.5792PC1 -0.8612 · PC2 -0.9462PC1 -3.308 · PC2 -0.4704PC1 -1.222 · PC2 -0.1682PC1 -1.293 · PC2 -0.5012PC1 -1.384 · PC2 -0.1247PC1 -1.45 · PC2 -0.3562PC1 -0.9968 · PC2 -0.4061PC1 -1.257 · PC2 -0.375PC1 -1.256 · PC2 -0.5331PC1 -1.389 · PC2 -0.2728PC1 -0.56 · PC2 -0.5839PC1 -1.264 · PC2 -0.4577PC1 -1.126 · PC2 -0.623PC1 -1.531 · PC2 -0.9561PC1 0.6633 · PC2 -0.9834PC1 -0.3361 · PC2 -0.5333PC1 0.2333 · PC2 -1.09PC1 -0.7561 · PC2 -0.4488PC1 -0.115 · PC2 -1.024PC1 -0.5577 · PC2 -0.9169PC1 -1.532 · PC2 -0.3807PC1 -1.515 · PC2 -0.7186PC1 -0.9368 · PC2 -0.431PC1 -0.7129 · PC2 -0.6302PC1 -1.286 · PC2 -0.682PC1 -1.366 · PC2 -0.2465PC1 -0.3374 · PC2 -0.4541PC1 -1.164 · PC2 -0.4623PC1 0.02518 · PC2 -0.8522PC1 -0.6946 · PC2 -1.028PC1 -1.235 · PC2 -0.6614PC1 -1.555 · PC2 -0.6361PC1 -1.517 · PC2 -0.4938PC1 -0.3772 · PC2 -0.5333PC1 -1.765 · PC2 -0.2923PC1 -2.074 · PC2 -0.485PC1 -2.305 · PC2 0.05494PC1 -1.714 · PC2 -0.4829PC1 -0.7247 · PC2 -0.8653PC1 -1.299 · PC2 -0.2601PC1 -0.8626 · PC2 -0.4602PC1 -0.7597 · PC2 -0.9825PC1 -2.185 · PC2 -0.3303PC1 -0.9744 · PC2 -0.586PC1 0.2948 · PC2 0.068PC1 -0.0006197 · PC2 0.07282PC1 1.373 · PC2 -0.8348PC1 -0.9476 · PC2 -0.1993PC1 -0.3596 · PC2 -0.3136PC1 -0.1021 · PC2 -0.7974PC1 1.884 · PC2 -0.5891PC1 1.482 · PC2 -0.5168PC1 1.794 · PC2 -0.6463PC1 -0.633 · PC2 0.04951PC1 0.4513 · PC2 -0.2243PC1 0.2476 · PC2 -0.09588PC1 -0.3796 · PC2 -0.06783PC1 -0.6816 · PC2 -0.1862PC1 -0.048 · PC2 -0.0714PC1 0.6047 · PC2 -0.5426PC1 0.3802 · PC2 -0.2724PC1 -0.4376 · PC2 0.05545PC1 -0.5871 · PC2 0.02128PC1 -1.324 · PC2 0.259PC1 -0.8614 · PC2 0.1918PC1 0.6086 · PC2 -0.5906PC1 -0.42 · PC2 0.08408PC1 -0.9422 · PC2 -0.6382PC1 0.4281 · PC2 -0.02747PC1 1.145 · PC2 -0.4696PC1 0.925 · PC2 -0.4456PC1 -1.2 · PC2 0.286PC1 0.7724 · PC2 -0.6429PC1 0.7267 · PC2 -0.3885PC1 -0.9477 · PC2 0.2579PC1 0.3042 · PC2 -0.03572PC1 -0.7554 · PC2 0.3179PC1 -1.612 · PC2 0.3868PC1 -0.2755 · PC2 0.06912PC1 0.06377 · PC2 -0.2359PC1 -0.3342 · PC2 -0.06012PC1 -0.7875 · PC2 0.1093PC1 0.01101 · PC2 -0.4961PC1 -0.1388 · PC2 -0.3735PC1 -0.3984 · PC2 0.03118PC1 0.8932 · PC2 -0.5343PC1 0.0461 · PC2 -0.1618PC1 -0.1386 · PC2 0.04316PC1 0.3974 · PC2 0.05184PC1 -1.372 · PC2 0.3759PC1 -1.152 · PC2 -0.06153PC1 -0.08387 · PC2 -0.3957PC1 0.5958 · PC2 -0.2918PC1 -0.3505 · PC2 0.09896PC1 0.146 · PC2 -0.2894PC1 0.05833 · PC2 0.09938PC1 -0.01876 · PC2 -0.07594PC1 -0.1999 · PC2 0.321PC1 0.2779 · PC2 -0.3619PC1 2.786 · PC2 -1.349PC1 -0.5524 · PC2 -0.4707PC1 0.462 · PC2 -0.8159PC1 -0.176 · PC2 -0.7247PC1 2.475 · PC2 -0.5405PC1 1.69 · PC2 -0.3755PC1 0.7199 · PC2 -0.1525PC1 -0.06209 · PC2 -0.05575PC1 0.5775 · PC2 -0.2489PC1 -0.2198 · PC2 0.003413PC1 -0.08695 · PC2 -0.281PC1 1.219 · PC2 -0.8935PC1 0.2057 · PC2 -0.1396PC1 0.5833 · PC2 -0.7094PC1 0.1202 · PC2 -0.1841PC1 -0.1888 · PC2 -0.07154PC1 -0.2837 · PC2 0.07813PC1 -0.4561 · PC2 0.02152PC1 -0.7247 · PC2 -0.03496PC1 0.8941 · PC2 -0.6485PC1 -0.1729 · PC2 0.02634PC1 -0.8412 · PC2 -0.5575PC1 -2.615 · PC2 0.6571PC1 1.528 · PC2 -0.6988PC1 0.8876 · PC2 -0.1741PC1 0.5096 · PC2 -0.783PC1 0.503 · PC2 -0.187PC1 0.1647 · PC2 -0.05075PC1 1.732 · PC2 -0.6044PC1 -0.0755 · PC2 -0.1299PC1 0.07138 · PC2 -0.3275PC1 -0.7123 · PC2 0.4622PC1 0.684 · PC2 -0.2332PC1 -0.1167 · PC2 -0.1022PC1 0.9989 · PC2 -0.5795PC1 0.05427 · PC2 -0.4037PC1 -0.4639 · PC2 -0.2605PC1 0.02477 · PC2 0.01004PC1 1.526 · PC2 -0.7174PC1 1.21 · PC2 -0.1723PC1 1.208 · PC2 -0.6989PC1 0.868 · PC2 -0.2843PC1 -0.7944 · PC2 0.1584PC1 -0.1401 · PC2 -0.4971PC1 0.6897 · PC2 -0.4281PC1 1.861 · PC2 -1.072PC1 1.3 · PC2 -0.595PC1 -0.1718 · PC2 -0.274PC1 0.001764 · PC2 -0.3024PC1 -0.3 · PC2 -0.2228PC1 0.5406 · PC2 -0.1061PC1 -0.7253 · PC2 0.268PC1 0.4714 · PC2 -0.422PC1 -0.1556 · PC2 -0.7209PC1 -0.5286 · PC2 0.1526PC1 0.1431 · PC2 -0.35PC1 0.751 · PC2 -0.04914PC1 -0.2351 · PC2 0.4714PC1 -0.4517 · PC2 0.2938PC1 -1.26 · PC2 0.4525PC1 -0.06059 · PC2 0.2075PC1 -0.7553 · PC2 0.5521PC1 -0.5974 · PC2 -0.06752PC1 0.06614 · PC2 0.2772PC1 0.1347 · PC2 0.2165PC1 1.441 · PC2 -0.8385PC1 -0.8868 · PC2 0.4015PC1 -0.169 · PC2 0.06913PC1 -0.7032 · PC2 0.2825PC1 -0.1938 · PC2 0.2961PC1 0.7566 · PC2 -0.5127PC1 0.4771 · PC2 -0.3136PC1 -1.057 · PC2 0.6248PC1 -0.101 · PC2 0.07977PC1 -0.4102 · PC2 0.3591PC1 -0.3656 · PC2 0.3898PC1 -0.9614 · PC2 0.8038PC1 -0.4979 · PC2 0.3567PC1 -1.153 · PC2 -0.09697PC1 -1.025 · PC2 -0.1386PC1 0.3749 · PC2 -0.2178PC1 0.8982 · PC2 -0.5887PC1 1.529 · PC2 -0.5099PC1 0.04509 · PC2 0.2388PC1 -0.1509 · PC2 0.1972PC1 0.6709 · PC2 -0.4233PC1 -0.9424 · PC2 0.5119PC1 -0.4809 · PC2 0.4364PC1 -0.2667 · PC2 0.2313PC1 -0.1919 · PC2 0.5224PC1 0.4901 · PC2 0.2139PC1 -0.3088 · PC2 0.1406PC1 0.5331 · PC2 -0.3496PC1 -0.1914 · PC2 0.0162PC1 0.1822 · PC2 -0.1409PC1 -0.8648 · PC2 0.7556PC1 0.4128 · PC2 0.05827PC1 0.1403 · PC2 0.2244PC1 1.195 · PC2 -0.4092PC1 1.487 · PC2 -0.2988PC1 0.9912 · PC2 -0.4515PC1 -0.2624 · PC2 0.5123PC1 0.8041 · PC2 -0.06218PC1 0.1096 · PC2 0.4278PC1 1.065 · PC2 -0.6704PC1 1.213 · PC2 -0.2878PC1 0.97 · PC2 -0.3285PC1 0.5798 · PC2 0.1698PC1 -0.2389 · PC2 0.3848PC1 0.7277 · PC2 -0.008211PC1 0.3356 · PC2 0.5393PC1 0.5342 · PC2 0.03914PC1 -0.09744 · PC2 0.3931PC1 -1.672 · PC2 0.7276PC1 -0.3286 · PC2 0.345PC1 0.9727 · PC2 0.4494PC1 0.5328 · PC2 0.3384PC1 1.531 · PC2 -0.2788PC1 1.684 · PC2 -0.6363PC1 1.221 · PC2 0.2172PC1 -0.5868 · PC2 0.4104PC1 -0.88 · PC2 0.5543PC1 0.5733 · PC2 0.4258PC1 0.02441 · PC2 -0.3901PC1 -0.02356 · PC2 0.6492PC1 0.1444 · PC2 -0.1508PC1 1.281 · PC2 0.1362PC1 0.2536 · PC2 0.4672PC1 0.6392 · PC2 0.7344PC1 0.401 · PC2 0.869PC1 0.3297 · PC2 0.4339PC1 0.452 · PC2 0.382PC1 0.4381 · PC2 -0.07361PC1 0.1159 · PC2 -0.03468PC1 1.354 · PC2 0.294PC1 0.6741 · PC2 0.0589PC1 0.5678 · PC2 0.1351PC1 0.1952 · PC2 -0.2313PC1 0.6896 · PC2 0.3984PC1 1.478 · PC2 -0.57PC1 0.5527 · PC2 0.2982PC1 0.7028 · PC2 0.2869PC1 0.1928 · PC2 0.5281PC1 0.1215 · PC2 0.1997PC1 0.0549 · PC2 0.1581PC1 0.8765 · PC2 -0.1459PC1 0.9381 · PC2 -0.1107PC1 0.6014 · PC2 0.1446PC1 0.7467 · PC2 0.5463PC1 0.5684 · PC2 0.6731PC1 0.427 · PC2 0.7215PC1 -0.06589 · PC2 0.9582PC1 0.8038 · PC2 -0.03673PC1 1.008 · PC2 -0.2882PC1 -0.05208 · PC2 0.6303PC1 0.6821 · PC2 0.5155PC1 0.5158 · PC2 0.8973PC1 0.004442 · PC2 0.9798PC1 1.965 · PC2 -0.06548PC1 1.063 · PC2 0.03098PC1 0.3219 · PC2 0.4158PC1 0.03922 · PC2 0.6189PC1 0.04399 · PC2 0.1531PC1 0.09835 · PC2 0.5983PC1 -0.1356 · PC2 -0.2663PC1 0.8313 · PC2 -0.4544PC1 -0.6259 · PC2 0.5519PC1 -0.2397 · PC2 0.552PC1 -1.016 · PC2 0.8455PC1 -0.2042 · PC2 0.8495PC1 -0.2622 · PC2 0.5114PC1 0.03406 · PC2 0.1749PC1 0.9809 · PC2 0.02294PC1 0.03604 · PC2 0.5721PC1 0.001676 · PC2 0.01352PC1 1.022 · PC2 0.6419PC1 0.9511 · PC2 -0.1507PC1 1.41 · PC2 -0.3084PC1 1.518 · PC2 0.1704PC1 0.0965 · PC2 0.4636PC1 -0.02082 · PC2 0.387PC1 -0.6441 · PC2 0.3571PC1 1.017 · PC2 -0.2104PC1 -0.03974 · PC2 0.2328PC1 0.2128 · PC2 -0.1764PC1 1.153 · PC2 0.08205PC1 0.2104 · PC2 0.528PC1 0.6615 · PC2 0.5059PC1 0.7981 · PC2 0.609PC1 1.037 · PC2 0.5627PC1 0.852 · PC2 0.6174PC1 -0.6397 · PC2 0.3847PC1 -0.1317 · PC2 -0.3237PC1 -2.283 · PC2 0.7237PC1 -0.2937 · PC2 0.1672PC1 -0.384 · PC2 0.3546PC1 0.5359 · PC2 0.03847PC1 0.7843 · PC2 0.04627PC1 0.9604 · PC2 -0.4123PC1 0.5722 · PC2 0.08263PC1 -0.6426 · PC2 0.5356PC1 -0.9136 · PC2 0.5736PC1 0.2764 · PC2 0.2094PC1 0.8598 · PC2 0.09502PC1 0.09171 · PC2 0.1974PC1 -0.2101 · PC2 0.6192PC1 0.8441 · PC2 0.3646PC1 0.08094 · PC2 0.08815PC1 0.4982 · PC2 0.4284PC1 0.3933 · PC2 0.325PC1 0.4123 · PC2 0.2733PC1 0.7345 · PC2 0.6582PC1 1.054 · PC2 0.451PC1 0.6905 · PC2 0.1238PC1 0.4745 · PC2 0.3817PC1 1.398 · PC2 0.1588PC1 0.6392 · PC2 0.4488PC1 2.689 · PC2 0.391PC1 1.282 · PC2 -0.1117PC1 0.3088 · PC2 0.4276PC1 0.5039 · PC2 0.498PC1 0.1533 · PC2 0.5665PC1 0.2586 · PC2 0.7006PC1 0.9647 · PC2 0.5978PC1 -0.6357 · PC2 0.3327PC1 -0.5153 · PC2 0.4794PC1 0.2902 · PC2 0.6207PC1 -0.5267 · PC2 0.346PC1 -0.2989 · PC2 0.4149PC1 -1.08 · PC2 0.3361PC1 0.3884 · PC2 0.1789PC1 0.06573 · PC2 0.2692PC1 0.08736 · PC2 0.4154PC1 0.5338 · PC2 0.4595PC1 -0.346 · PC2 0.4115PC1 -0.9136 · PC2 0.2084PC1 0.7683 · PC2 0.009054PC1 1.1 · PC2 0.3426PC1 0.8514 · PC2 -0.3028PC1 -0.4625 · PC2 0.2869PC1 0.7766 · PC2 0.188PC1 -0.0652 · PC2 0.3841PC1 0.3645 · PC2 0.321PC1 0.1532 · PC2 0.4499PC1 1.015 · PC2 0.2984PC1 0.9999 · PC2 0.1597PC1 0.3182 · PC2 -0.1331PC1 0.6773 · PC2 0.1233PC1 0.6861 · PC2 0.7184PC1 0.6506 · PC2 0.7546PC1 0.6058 · PC2 0.7457PC1 0.6189 · PC2 0.1776PC1 0.4664 · PC2 0.5574PC1 0.2096 · PC2 0.2403PC1 -0.03254 · PC2 0.3581PC1 0.7986 · PC2 -0.06285PC1 0.6732 · PC2 0.04995PC1 1.05 · PC2 0.1511PC1 0.02379 · PC2 0.2502PC1 1.34 · PC2 0.0281PC1 0.7443 · PC2 -0.6188PC1 -0.1201 · PC2 0.4559PC1 -1.051 · PC2 0.5441PC1 -0.3177 · PC2 0.07169PC1 -0.04509 · PC2 0.259PC1 -0.7762 · PC2 0.3684PC1 -0.3085 · PC2 0.5504PC1 0.1904 · PC2 0.5996PC1 0.368 · PC2 0.3235PC1 0.02781 · PC2 0.9179PC1 0.5167 · PC2 0.663PC1 2.839 · PC2 -0.1464PC1 0.5299 · PC2 -0.01155PC1 0.5449 · PC2 0.5967PC1 1.486 · PC2 0.3046PC1 0.1177 · PC2 0.9429PC1 1.09 · PC2 0.3545PC1 0.9273 · PC2 0.706PC1 0.7729 · PC2 0.3477PC1 0.5147 · PC2 0.4431PC1 0.8964 · PC2 0.3401PC1 -0.473 · PC2 0.3483PC1 0.2817 · PC2 0.4227PC1 -0.4779 · PC2 0.218PC1 -0.2937 · PC2 0.06978PC1 1.201 · PC2 -0.09725PC1 0.07561 · PC2 -0.02254PC1 -0.3133 · PC2 0.2465PC1 0.5335 · PC2 0.5752PC1 0.6615 · PC2 0.7638PC1 1.052 · PC2 0.3588PC1 0.8286 · PC2 -0.27PC1 -0.226 · PC2 0.2168PC1 -0.846 · PC2 0.2702PC1 -1.211 · PC2 0.577PC1 0.1339 · PC2 -0.08423PC1 0.2053 · PC2 0.3867PC1 0.3167 · PC2 -0.03191PC1 0.3805 · PC2 0.3635PC1 0.4568 · PC2 0.3011PC1 0.3018 · PC2 0.4836PC1 0.8141 · PC2 0.424PC1 0.04573 · PC2 0.5957PC1 0.4829 · PC2 0.8434PC1 0.5278 · PC2 0.4745PC1 0.5811 · PC2 0.1563PC1 0.1221 · PC2 -0.107PC1 -1.257 · PC2 0.4824PC1 -0.1279 · PC2 0.3796PC1 1.105 · PC2 0.08946PC1 0.2503 · PC2 -0.2309PC1 -0.2956 · PC2 0.4401PC1 0.9658 · PC2 0.2769PC1 0.2271 · PC2 -0.01659PC1 -0.2811 · PC2 0.2089PC1 -0.03453 · PC2 0.4339PC1 -0.2246 · PC2 0.239PC1 -0.1799 · PC2 0.1943PC1 -0.8534 · PC2 0.3014PC1 0.2333 · PC2 0.2254PC1 -0.1088 · PC2 0.3804PC1 0.1841 · PC2 0.6147PC1 0.1815 · PC2 0.5452PC1 0.2571 · PC2 0.3463PC1 -0.4424 · PC2 0.7249PC1 0.2019 · PC2 0.6397PC1 0.1329 · PC2 0.4223PC1 0.8346 · PC2 0.1582PC1 -0.2546 · PC2 0.4663PC1 0.4101 · PC2 0.5077PC1 0.1088 · PC2 0.6645PC1 0.4372 · PC2 0.8415PC1 0.3546 · PC2 0.2317PC1 0.01712 · PC2 0.2854PC1 0.01013 · PC2 0.4622PC1 0.1276 · PC2 0.1764PC1 -1.093 · PC2 0.6911PC1 -0.4332 · PC2 0.5235PC1 1.484 · PC2 0.4456PC1 0.1374 · PC2 0.4183PC1 -0.5884 · PC2 0.7685PC1 -0.06385 · PC2 0.1824PC1 -0.09964 · PC2 -0.2278PC1 1.698 · PC2 0.07098PC1 -0.506 · PC2 -0.06218PC1 -1.029 · PC2 0.2953PC1 0.5489 · PC2 -0.02983PC1 -0.02852 · PC2 0.15PC1 0.05764 · PC2 0.7397PC1 0.0973 · PC2 0.5826PC1 0.2918 · PC2 -0.2119PC1 0.8558 · PC2 -0.04782PC1 0.4853 · PC2 0.06304PC1 -0.2405 · PC2 0.2044PC1 -0.131 · PC2 0.3262PC1 -0.7555 · PC2 0.4441PC1 1.082 · PC2 -0.5292PC1 -0.3702 · PC2 -0.2464PC1 -0.5745 · PC2 0.3028PC1 0.2935 · PC2 0.3119PC1 -0.1588 · PC2 0.009035PC1 -0.3258 · PC2 0.5681PC1 -0.3773 · PC2 0.2323PC1 0.1689 · PC2 0.5621PC1 0.1818 · PC2 0.4592PC1 0.4339 · PC2 -0.1531PC1 -0.4807 · PC2 -0.3677PC1 -0.03783 · PC2 -0.4957PC1 0.1507 · PC2 0.3501PC1 0.1538 · PC2 0.1668PC1 -0.2397 · PC2 0.4643PC1 -0.6444 · PC2 0.5827PC1 -0.04607 · PC2 0.4479PC1 0.2812 · PC2 0.1383PC1 -1.083 · PC2 0.1985PC1 -0.7521 · PC2 0.3515PC1 -1.173 · PC2 0.5872PC1 -0.9023 · PC2 0.3117PC1 -0.2618 · PC2 0.139PC1 -0.7493 · PC2 0.2964PC1 (65.8%)PC2 (19.9%)541 scores
PCA explained variance0%25%50%75%100%PC1: 65.8% (cumulative 65.8%)1PC2: 19.9% (cumulative 85.7%)2PC3: 10.9% (cumulative 96.6%)3PC4: 1.6% (cumulative 98.2%)4PC5: 0.6% (cumulative 98.8%)5PC6: 0.3% (cumulative 99.1%)6PC7: 0.2% (cumulative 99.3%)7PC8: 0.2% (cumulative 99.5%)8PC9: 0.1% (cumulative 99.7%)9PC10: 0.1% (cumulative 99.7%)10cumulative explained variancePC variancecumulativeprincipal component · cumulative (dashed)
X-Y spectral correlation 12
X · Temperature spectral correlation-1-0.500.51absolute correlation envelopesigned correlationabsolute correlation01,0002,0003,000|r|signed raxis · Pearson correlation scale
X · Chlorophyll spectral correlation-1-0.500.51absolute correlation envelopesigned correlationabsolute correlation01,0002,0003,000|r|signed raxis · Pearson correlation scale
X · PhiPSII spectral correlation-1-0.500.51absolute correlation envelopesigned correlationabsolute correlation01,0002,0003,000|r|signed raxis · Pearson correlation scale
Targetmax |r|axis @ maxmean |r||r| ≥ .5
Temperature0.3534130.1210.0%
Chlorophyll0.37130.1640.0%
PhiPSII0.2957820.1510.0%
RWC0.3319550.1660.0%
LMA0.5642,2840.2257.1%
AminoAcids0.324090.1080.0%
Glucose0.4737150.1560.0%
Fructose0.4384240.09910.0%
Sucrose0.464070.1750.0%
Starch0.4642,2840.1940.0%
TNC0.4812,2840.1970.0%
Protein0.4997140.1730.0%

Metric interpretation reference

Metric catalog 29
FamilleMétriqueCe qu’elle détecteForte valeur =Faible valeur =Causes typiquesCalcul / score
Intégrité des donnéesNaN ratioDonnées manquantesSpectre corrompuSpectre completErreur acquisition/exportcount(isnan(X)) / X.sizealert = min(1, nan_ratio / 0.05)
Intégrité des donnéesInf countValeurs infiniesCorruptionNormalCalculs invalidescount(isinf(X))alert = min(1, inf_count / 1)
Intégrité des donnéesZero ratioColonnes ou cellules nullesSpectre tronquéNormalExport, saturationcount(X == 0) / count(finite X)alert = min(1, zero_ratio / 0.05)
Amplitude globaleMean reflectanceNiveau moyenTrop clair / fond visibleTrop sombreFond, géométriemean(X finite)alert reuses baseline/shape drift because absolute reflectance ranges are technology-dependent
Amplitude globaleArea under curveIntensité globaleDifférence d'éclairementNormalDistance sondetrapezoid(mean_spectrum, spectral_axis)alert reuses baseline/shape drift because area scale depends on axis and units
Amplitude globalePeak-to-peak (PTP)DynamiqueVariabilité forteSpectre platSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceVariabilité spectraleNormal ou hétérogèneSpectre platMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSBruit haute fréquenceBruitéStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRQualité signalBon signalMauvais signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRBruit localiséZone fiableZone problématiqueDétecteurmin(abs(mean_spectrum) / local second-derivative noise)alert decreases with worst-band SNR dB; >=35 dB is treated as low alert
Artefacts locauxSpike countPics étroitsArtefactsSpectre propreCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateDensité de picsSpectre suspectNormalInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countDiscontinuitésRaccord détecteurContinuSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateFréquence de sautsProblème spectralNormalCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionSaturationClippingNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopePente globaleDériveStableÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSCourbureForme inhabituelleLisseFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSVariabilité localeSpectre structuréPlatBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)Non expliqué par PCASpectre atypiqueConformeArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²Extrême dans PCAExtrême mais cohérentCentralVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis HDistance au nuageOutlier globalPopulation normaleDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumDistance moyenneSpectre différentTypiqueDomain shiftp95 RMS distance to dataset mean spectrumalert = RMS_p95 / signal_scale, saturated at 25%
Comparaison à référenceSpectral Angle Mapper (SAM)Différence de formeForme différenteSimilaireFond, géométriep95 spectral angle to dataset mean spectrumalert = min(1, SAM_p95 / 0.35 rad)
RépétabilitéRMS intra-IDReproductibilitéMauvaise répétabilitéStablePositionnementmedian RMS distance to repeated-sample centroidalert = RMS_intra_ID / signal_scale, saturated at 10%
RépétabilitéSAM intra-IDVariation de formeInstableStableAcquisitionmedian SAM to repeated-sample centroidalert = min(1, SAM_intra_ID / 0.15 rad)
RépétabilitéCV intra-IDVariabilité interneMauvais contrôleStableOpérateurmedian within-ID band CValert = min(1, CV_intra_ID / 0.25)
Structure du datasetPCA score densityClustersSous-populationsHomogèneLots différents1 / median kNN distance in PCA score spacealert follows density_cv/profile structure complexity, not raw density alone
Structure du datasetLocal Outlier Factor (LOF)Anomalie localeSpectre isoléPopulation normaleCas raresp95 approximate LOF from PCA-score kNN distancesalert = min(1, max(0, LOF_p95 - 1) / 2)
Structure du datasetIsolation Forest scoreAnomalie globaleSpectre atypiqueNormalDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
Technology-specific extensions
TechnologieAdaptations / métriquesAnomalies cibléesCommentaire pratique
UV-Vis 300-1000 nmBaseline, pente globale, dérive aux bords 300-350 et 900-1000; métriques par zonesLumière parasite, mauvais blanc, saturation, faible signal aux extrémitésLes bords sont souvent instables; calculer aussi des scores edge/middle.
UV-Vis 300-1000 nmSaturation / clipping proche absorbance max ou réflectance maxSignal écrêtéTrès important si absorption forte.
UV-Vis 300-1000 nmRed-edge, position de maximum, ratios de bandes si végétalDécalage biologique ou artefact optiqueAide à distinguer changement réel et problème d'acquisition.
UV-Vis 300-1000 nmSmoothness / roughness indexBruit haute fréquenceSouvent plus informatif que le SNR seul.
MIR / ATR-FTIRATR contact quality index: intensité globale, aire totale, profondeur des bandes clésMauvais contact cristal-échantillonCrucial: beaucoup d'anomalies viennent du contact ATR.
MIR / ATR-FTIRCO2 / H2O atmospheric bandsMauvaise correction atmosphériquePics parasites fréquents.
MIR / ATR-FTIRBaseline curvature / rubber-band residualDiffusion, contact, dérive baselineTrès utile avant PCA.
MIR / ATR-FTIRPeak position shiftMauvais alignement spectral / calibrationImportant en FTIR car de petits shifts comptent.
MIR / ATR-FTIRBand area ratios sur bandes connuesSpectre chimiquement incohérentÀ adapter par matrice: polysaccharides, protéines, lipides, etc.
HS-MSTotal Ion Current (TIC), Base Peak Intensity (BPI)Injection faible, ionisation instableÉquivalent MS du niveau global spectral.
HS-MSNombre de pics détectésSpectre pauvre ou trop bruitéTrop peu = mauvais signal; trop = bruit/contamination.
HS-MSMass accuracy / m/z driftProblème calibration masseFondamental en HRMS.
HS-MSRetention time drift si LC/GC-MSDérive chromatographiqueÀ suivre sur standards/QC pools.
HS-MSBlank contamination scoreContaminants / carry-overComparer échantillons vs blancs.
HS-MSInternal standard CVVariabilité instrumentaleTrès robuste si standards disponibles.
HS-MSMissingness par featureInstabilité de détectionCrucial pour filtrer les variables.
Avec répétitionsRMS intra-échantillonRépétabilité globaleApplicable à toutes les technologies.
Avec répétitionsSAM / corrélation intra-échantillonRépétabilité de formeTrès utile pour spectres.
Avec répétitionsCV intra-échantillon par bande / featureRépétabilité localeDétecte les zones instables.
Avec répétitionsICC ou variance componentsPart variance échantillon vs techniqueTrès utile si plusieurs répétitions par sample.
Avec répétitionsDistance au centroïde intra-IDRépétition aberrantePermet de flagger la mauvaise répétition plutôt que le sample entier.
Bug-hunting / supervised audits
Famille de bug potentielMéthodes à ajouterCe que ça détecteÉtat dans l’explorateur
Shift spectral globalCorrélation spectre moyen inter-dataset, DTW, cross-correlation, comparaison positions de picsDécalage en longueur d'onde, mauvais alignement, interpolation différentePartiellement calculé: cross-correlation lag et dispersion des positions de pics vs spectre moyen.
Baseline / offset / gainRégression chaque spectre vs spectre moyen: x = a + b ref + residual; suivi de a, b, RMS résiduelOffset additif, effet multiplicatif, dérive de baselineCalculé dans reference.affine_*.
Mélange de lignes / mauvais appariement X-M-YVérification index, hash des lignes, duplication ID, distance spectrale intra-ID, labels incohérentsLignes mélangées, metadata mal alignées, Y attribué au mauvais spectrePartiellement couvert par répétabilité intra-ID; checks index/hash à ajouter au pipeline canonical.
Fuite d'information / répétitions mal splitéesGroupKFold par sample_id vs StratifiedKFold random; audit des partitions par sample_idPerformance artificiellement bonne due aux répétitionsNécessite splits et benchmark modèle; non calculé par la carte descriptive.
Label bugsÉchantillons proches en X mais Y différents, confident learning, erreurs systématiques FP/FNY inversés, erreurs de saisie, classes ambiguësNécessite Y et/ou modèle; recommandé pour l'explorateur supervisé.
Sous-domaines cachésPCA/UMAP/t-SNE + clustering non supervisé + association avec dataset/Y/date/operatorLots, campagnes, sondes, backgrounds non renseignésPartiellement calculé par structure PCA/LOF; UMAP/t-SNE hors carte statique.
Artefacts localisés inconnusCarte wavelength x dataset: différence moyenne, différence variance, KS par longueur d'ondeRégions spectrales anormales non anticipéesÀ calculer au niveau banque quand plusieurs datasets partagent un axe spectral.
Ruptures instrumentalesDiscontinuités dans dérivées, changepoint detectionSplice, raccord détecteur, saut local non prévuCalculé par jump/spike rates; changepoint plus avancé à ajouter.
Mélange / contamination spectraleNMF / unmixing / reconstruction par convex hullComposante externe: fond, plastique, solNon calculé automatiquement; nécessite hypothèses de composants ou grande bibliothèque.
Features instables mais prédictivesImportance modèle vs instabilité QC par variableModèle qui apprend un artefact plutôt qu'un signal biologiqueNécessite modèle supervisé; recommandé pour rapports de benchmark.

Variables

Targets 13

Treatment

target · categorical
Treatment classessinksink: 176176controlcontrol: 173173droughtdrought: 168168
n / missing541 / 24
Classes3
Balance (entropy)1
Imbalance ratio1
Top classsink (176)

Temperature

target · numeric
Temperature distribution020406019.5 – 20.07: 420.07 – 20.65: 420.65 – 21.23: 2321.23 – 21.8: 3121.8 – 22.38: 2722.38 – 22.95: 3322.95 – 23.52: 3423.52 – 24.1: 2424.1 – 24.67: 4924.67 – 25.25: 5225.25 – 25.82: 4625.82 – 26.4: 3526.4 – 26.97: 3026.97 – 27.55: 3227.55 – 28.12: 3228.12 – 28.7: 2128.7 – 29.27: 1729.27 – 29.85: 629.85 – 30.42: 530.42 – 31: 331 – 31.57: 531.57 – 32.15: 332.15 – 32.72: 032.72 – 33.3: 1102050100
n / missing541 / 24
Mean ± SD25.04 ± 2.55
Median24.9
Range19.5 – 33.3
CV0.102
Skew / kurtosis0.25 / -0.38
Normal?no

Chlorophyll

target · numeric
Chlorophyll distribution0501006.79 – 9.602: 19.602 – 12.41: 012.41 – 15.23: 015.23 – 18.04: 018.04 – 20.85: 020.85 – 23.66: 123.66 – 26.48: 026.48 – 29.29: 029.29 – 32.1: 032.1 – 34.91: 034.91 – 37.73: 037.73 – 40.54: 140.54 – 43.35: 143.35 – 46.16: 046.16 – 48.98: 248.98 – 51.79: 751.79 – 54.6: 2954.6 – 57.41: 7957.41 – 60.23: 8960.23 – 63.04: 6263.04 – 65.85: 4465.85 – 68.67: 3168.67 – 71.48: 1771.48 – 74.29: 4020406080
n / missing541 / 173
Mean ± SD59.77 ± 6.08
Median59.39
Range6.79 – 74.29
CV0.102
Skew / kurtosis-2.3 / 18
Normal?no

PhiPSII

target · numeric
PhiPSII distribution02040600.392 – 0.406: 40.406 – 0.42: 10.42 – 0.434: 70.434 – 0.448: 60.448 – 0.462: 110.462 – 0.476: 110.476 – 0.49: 150.49 – 0.504: 280.504 – 0.518: 280.518 – 0.532: 420.532 – 0.546: 340.546 – 0.56: 340.56 – 0.574: 340.574 – 0.588: 230.588 – 0.602: 200.602 – 0.616: 180.616 – 0.63: 230.63 – 0.644: 130.644 – 0.658: 60.658 – 0.672: 40.672 – 0.686: 20.686 – 0.7: 30.7 – 0.714: 00.714 – 0.728: 10.10.20.51
n / missing541 / 173
Mean ± SD0.5466 ± 0.0587
Median0.543
Range0.392 – 0.728
CV0.107
Skew / kurtosis0.019 / -0.069
Normal?yes

RWC

target · numeric
RWC distribution010203067.05 – 67.86: 167.86 – 68.67: 068.67 – 69.49: 069.49 – 70.3: 170.3 – 71.11: 071.11 – 71.92: 071.92 – 72.73: 372.73 – 73.54: 273.54 – 74.36: 974.36 – 75.17: 1175.17 – 75.98: 1575.98 – 76.79: 2076.79 – 77.6: 2177.6 – 78.41: 1878.41 – 79.22: 1879.22 – 80.04: 2080.04 – 80.85: 1880.85 – 81.66: 1381.66 – 82.47: 1882.47 – 83.28: 1583.28 – 84.09: 2084.09 – 84.91: 1484.91 – 85.72: 785.72 – 86.53: 6102050100
n / missing541 / 291
Mean ± SD79.55 ± 3.55
Median79.46
Range67.05 – 86.53
CV0.0446
Skew / kurtosis-0.18 / -0.4
Normal?yes

LMA

target · numeric
LMA distribution010203028.82 – 30.76: 630.76 – 32.7: 232.7 – 34.65: 934.65 – 36.59: 1736.59 – 38.53: 1638.53 – 40.48: 2740.48 – 42.42: 1742.42 – 44.36: 1544.36 – 46.31: 1046.31 – 48.25: 1348.25 – 50.19: 950.19 – 52.13: 1052.13 – 54.08: 1254.08 – 56.02: 1356.02 – 57.96: 1457.96 – 59.91: 759.91 – 61.85: 1461.85 – 63.79: 763.79 – 65.74: 965.74 – 67.68: 967.68 – 69.62: 369.62 – 71.57: 271.57 – 73.51: 173.51 – 75.45: 8102050100
n / missing541 / 291
Mean ± SD48.96 ± 11.4
Median46.76
Range28.82 – 75.45
CV0.233
Skew / kurtosis0.4 / -0.8
Normal?no

AminoAcids

target · numeric
AminoAcids distribution01020301.401 – 1.61: 11.61 – 1.819: 71.819 – 2.028: 152.028 – 2.236: 232.236 – 2.445: 192.445 – 2.654: 292.654 – 2.863: 252.863 – 3.071: 203.071 – 3.28: 203.28 – 3.489: 253.489 – 3.698: 53.698 – 3.906: 143.906 – 4.115: 74.115 – 4.324: 84.324 – 4.533: 94.533 – 4.741: 54.741 – 4.95: 44.95 – 5.159: 35.159 – 5.368: 25.368 – 5.577: 15.577 – 5.785: 15.785 – 5.994: 55.994 – 6.203: 06.203 – 6.412: 102468
n / missing541 / 292
Mean ± SD3.111 ± 0.96
Median2.896
Range1.401 – 6.412
CV0.308
Skew / kurtosis0.96 / 0.72
Normal?no

Glucose

target · numeric
Glucose distribution01020301.994 – 2.92: 22.92 – 3.846: 43.846 – 4.773: 84.773 – 5.699: 65.699 – 6.625: 96.625 – 7.552: 107.552 – 8.478: 198.478 – 9.404: 179.404 – 10.33: 1810.33 – 11.26: 1911.26 – 12.18: 1312.18 – 13.11: 1913.11 – 14.04: 2314.04 – 14.96: 1614.96 – 15.89: 1515.89 – 16.82: 1516.82 – 17.74: 1417.74 – 18.67: 618.67 – 19.59: 1119.59 – 20.52: 220.52 – 21.45: 221.45 – 22.37: 022.37 – 23.3: 023.3 – 24.23: 10102030
n / missing541 / 292
Mean ± SD11.95 ± 4.29
Median12.14
Range1.994 – 24.23
CV0.359
Skew / kurtosis-0.017 / -0.59
Normal?no

Fructose

target · numeric
Fructose distribution01020300.7051 – 1.136: 131.136 – 1.567: 191.567 – 1.999: 261.999 – 2.43: 262.43 – 2.861: 302.861 – 3.292: 203.292 – 3.723: 163.723 – 4.154: 84.154 – 4.585: 224.585 – 5.016: 165.016 – 5.448: 105.448 – 5.879: 125.879 – 6.31: 106.31 – 6.741: 96.741 – 7.172: 27.172 – 7.603: 47.603 – 8.034: 28.034 – 8.466: 18.466 – 8.897: 18.897 – 9.328: 19.328 – 9.759: 09.759 – 10.19: 010.19 – 10.62: 010.62 – 11.05: 1051015
n / missing541 / 292
Mean ± SD3.523 ± 1.86
Median3.152
Range0.7051 – 11.05
CV0.527
Skew / kurtosis0.8 / 0.41
Normal?no

Sucrose

target · numeric
Sucrose distribution02040602.189 – 2.735: 52.735 – 3.28: 203.28 – 3.825: 253.825 – 4.37: 454.37 – 4.915: 364.915 – 5.46: 335.46 – 6.005: 216.005 – 6.551: 186.551 – 7.096: 107.096 – 7.641: 97.641 – 8.186: 28.186 – 8.731: 38.731 – 9.276: 59.276 – 9.821: 49.821 – 10.37: 310.37 – 10.91: 110.91 – 11.46: 011.46 – 12: 312 – 12.55: 112.55 – 13.09: 113.09 – 13.64: 113.64 – 14.18: 114.18 – 14.73: 114.73 – 15.27: 105101520
n / missing541 / 292
Mean ± SD5.37 ± 2.22
Median4.875
Range2.189 – 15.27
CV0.413
Skew / kurtosis1.9 / 4.2
Normal?no

Starch

target · numeric
Starch distribution01020309.787 – 15.89: 615.89 – 21.99: 921.99 – 28.09: 2028.09 – 34.19: 2234.19 – 40.3: 1840.3 – 46.4: 1446.4 – 52.5: 1652.5 – 58.6: 1458.6 – 64.7: 1264.7 – 70.81: 1170.81 – 76.91: 776.91 – 83.01: 883.01 – 89.11: 1089.11 – 95.21: 1595.21 – 101.3: 17101.3 – 107.4: 10107.4 – 113.5: 12113.5 – 119.6: 3119.6 – 125.7: 10125.7 – 131.8: 4131.8 – 137.9: 6137.9 – 144: 1144 – 150.1: 2150.1 – 156.2: 2050100150200
n / missing541 / 292
Mean ± SD67.56 ± 35.6
Median62.9
Range9.787 – 156.2
CV0.528
Skew / kurtosis0.37 / -0.92
Normal?no

TNC

target · numeric
TNC distribution010203017.85 – 24.26: 324.26 – 30.68: 230.68 – 37.1: 1237.1 – 43.51: 1043.51 – 49.93: 1349.93 – 56.34: 2056.34 – 62.76: 2562.76 – 69.18: 1369.18 – 75.59: 1775.59 – 82.01: 982.01 – 88.42: 988.42 – 94.84: 1194.84 – 101.3: 7101.3 – 107.7: 9107.7 – 114.1: 17114.1 – 120.5: 13120.5 – 126.9: 13126.9 – 133.3: 7133.3 – 139.8: 10139.8 – 146.2: 10146.2 – 152.6: 4152.6 – 159: 7159 – 165.4: 2165.4 – 171.8: 6050100150200
n / missing541 / 292
Mean ± SD88.39 ± 38.1
Median82.29
Range17.85 – 171.8
CV0.431
Skew / kurtosis0.31 / -0.98
Normal?no

Protein

target · numeric
Protein distribution01020303.782 – 4.158: 14.158 – 4.535: 24.535 – 4.912: 24.912 – 5.288: 85.288 – 5.665: 145.665 – 6.042: 216.042 – 6.418: 186.418 – 6.795: 276.795 – 7.171: 297.171 – 7.548: 237.548 – 7.925: 227.925 – 8.301: 178.301 – 8.678: 198.678 – 9.055: 89.055 – 9.431: 149.431 – 9.808: 79.808 – 10.18: 510.18 – 10.56: 110.56 – 10.94: 310.94 – 11.31: 211.31 – 11.69: 111.69 – 12.07: 312.07 – 12.44: 112.44 – 12.82: 1125102050100
n / missing541 / 292
Mean ± SD7.431 ± 1.56
Median7.22
Range3.782 – 12.82
CV0.21
Skew / kurtosis0.71 / 0.69
Normal?no

Metadata 2

site

metadata · numeric
site distribution01020301 – 1.708: 301.708 – 2.417: 302.417 – 3.125: 303.125 – 3.833: 03.833 – 4.542: 304.542 – 5.25: 305.25 – 5.958: 05.958 – 6.667: 296.667 – 7.375: 307.375 – 8.083: 308.083 – 8.792: 08.792 – 9.5: 299.5 – 10.21: 3010.21 – 10.92: 010.92 – 11.62: 2911.62 – 12.33: 3012.33 – 13.04: 2713.04 – 13.75: 013.75 – 14.46: 2714.46 – 15.17: 2715.17 – 15.88: 015.88 – 16.58: 2716.58 – 17.29: 2517.29 – 18: 2705101520
n / missing541 / 24
Mean ± SD9.267 ± 5.15
Median9
Range1 – 18
CV0.556
Skew / kurtosis0.056 / -1.2
Normal?no

date

metadata · categorical
date classes2019-07-192019-07-19: 54542019-07-242019-07-24: 54542019-07-262019-07-26: 54542019-07-302019-07-30: 54542019-08-022019-08-02: 54542019-07-032019-07-03: 53532019-07-092019-07-09: 53532019-07-152019-07-15: 53532019-07-162019-07-16: 52522019-08-062019-08-06: 3636
n / missing541 / 24
Classes10
Balance (entropy)1
Imbalance ratio2
Top class2019-07-19 (54)
Constant metadata 20
  • ecosis_resource_ida9282ba1-4b8e-4318-88bf-cda8b9dd42a6
  • locationBrookhaven National Laboratory
  • coordinate_precision_notessource-provided coordinates when available
  • year2,020
  • speciesCUPE
  • plant_partLeaf
  • canopy_or_leafcanopy
  • instrumentSpectral Evolution, Spectra Vista Corporation (leaf clip only) PSR+
  • acquisition_modeOther, Proximal
  • signal_typereflectance
  • axis_unitnm
  • axis_min350
  • axis_max2,500
  • n_points_original2,151
  • publication_doi10.1111/pce.14056 | 10.21232/RLmYbmE3 | 10.21232/rlmybme3
  • citationAngela C Burnett Shawn P Serbin Alistair Rogers. 2020. Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses. Data set. Available on-line [http://ecosis.org] from the Ecological Spectral Information System (EcoSIS). 10.21232/RLmYbmE3
  • licenseCreative Commons Attribution
  • rights_statusexplicit_open
  • usage_scopepublic_reuse_possible
  • notesEcoSIS package leaf-and-canopy-spectroscopy-and-biochemical-data-of-field-grown-cucurbita-pepo-under-two-stresses, no interpolation applied by project.

5 variable(s) omitted (no recorded values).

Alignment

Alignment levelobservation
Sample id availableyes
Samples541
Observations (total)541
Reps per samplemin 1 · mean 1 · max 1

Provenance & citation

ContributorLeaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses
Origin · url [open]https://data.ecosis.org/dataset/leaf-and-canopy-spectroscopy-and-biochemical-data-of-field-grown-cucurbita-pepo-under-two-stresses
Origin · script [manual]source_to_standard.py — standardization script (maintainer-only)
Publication10.1111/pce.14056 — Source:sink imbalance detected with leaf- and canopy-level spectroscopy in a field-grown crop
Publication10.21232/RLmYbmE3 — Leaf and canopy spectroscopy and biochemical data of field-grown Cucurbita pepo under two stresses
Publication10.21232/rlmybme3

Governance & integrity

Tierpublic
LicenseCC-BY-4.0
Permitted useResearch and benchmarking.
Access policyOpen per source license.
RedistributionEcoSIS CKAN metadata exposes an open license.
Content version1.0.0
Schema / protocol2.0
Content hashb2a30b835fb73309…
Processing hash0f3958cf8d3638db…
Metadata hashd4335dccc8237e27…

Load this dataset

# pip install nirs4all-datasets
from nirs4all_datasets import get

ds = get("ecosis_cucurbita_pepo_two_stresses_leaf_canopy_reflectance_nirs")            # DOI-pinned, checksum-verified, cached
X, y = ds.x(), ds.y()
print(X.shape, y.shape)
card.jsoncroissant.jsonIdentity metadata only — the dataset bytes live at the origin / DOI.