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ECOSTRESS vegetation tir axis 1389b1f1

ecostress · other

ECOSTRESS vegetation tir axis 1389b1f1. v2.0 standardized NIRS package: 1 spectral source(s), 3 declared target(s). Auto-generated from dataset_card.json (verify before publication).

nirv2ecostress
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Private dataset. Full metadata and metrics are shown, but the bytes are not redistributed here — exporting the data requires a Dataverse token. The identity card carries no spectra, only descriptive statistics.
324
samples
1,737
wavelengths
1
sources
3
targets
27
metadata
other
family

Dataset property explorer

Mean profile risk0.58
Highest axisArtefacts locaux · 1.00
Diagnostics8
Sources profiled1
ECOSTRESS vegetation tir axis 1389b1f1 property profile0.250.50.751integritynoiseartefactsbaselinePCA outliersreferencerepeatabilitystructureECOSTRESS vegetation tir axis 1389b1f1 profileintegrity: 0.00noise: 0.21artefacts: 1.00baseline: 0.44PCA outliers: 1.00reference: 1.00repeatability: 0.00structure: 1.00ECOSTRESS veget…0 center · 1 outer ring · outward = stronger anomaly / heterogeneity signal

Profile axes

Intégrité0.00
Artefacts locaux1.00
Bruit0.21
Outliers PCA1.00
Distance à la référence1.00
Répétabilité0.00
Baseline / forme0.44
Structure multi-régimes1.00
Diagnostic hypotheses00.250.50.751hypothesis scoreSplice / raccord détecteursSplice / raccord détecteurs: 0.870.87Spectre hors domaine valideSpectre hors domaine valide: 0.740.74Signature VERA25-likeSignature VERA25-like: 0.720.72Dataset multi-régimesDataset multi-régimes: 0.700.70Erreur interpolation / réécha…Erreur interpolation / rééchantillonnage: 0.690.69Erreur calibration / référenc…Erreur calibration / référence blanche: 0.670.67Fond différentFond différent: 0.620.62Différence de sonde / géométr…Différence de sonde / géométrie: 0.600.60
DiagnosticScoreForceSignauxInterprétation probable
Splice / raccord détecteursX0.87forteSpike rate 1.00, Jump rate 1.00, RMS/SAM référence 1.00Rupture aux jonctions de détecteurs, calibration locale ou sonde différente.
Spectre hors domaine valideX0.74forteMahalanobis / T2 1.00, RMS/SAM référence 1.00, Structure PCA 1.00Variété, espèce, lot ou condition différente mais physiquement plausible.
Signature VERA25-likeX0.72moyenneMahalanobis / T2 1.00, Spike rate 1.00, Jump rate 1.00Combinaison possible changement de sonde + splice, amplifiée par géométrie, fond ou calibration.
Dataset multi-régimesX0.70moyenneStructure PCA 1.00, RMS/SAM référence 1.00, Mahalanobis / T2 1.00Mélange de campagnes, opérateurs, lots, setups ou sous-populations spectrales.
Erreur interpolation / rééchantillonnageX0.69moyenneSpike rate 1.00, Jump rate 1.00, PCA Q 0.86Artefacts numériques ou traitement spectral incorrect.
Erreur calibration / référence blancheX0.67moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, artefacts locaux 1.00Décalage systématique entre campagnes, instruments ou référence blanche.
Fond différentX0.62moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.86Effet systématique du support, blanc/noir, transflectance ou environnement de mesure.
Différence de sonde / géométrieX0.60moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.86Modification de l'illumination, collecte, angle ou distance sonde-échantillon.

Spectral sources

vegetation tir

X · other · source instruments vary by sample
vegetation tir spectra0510152005101520q05-q95 envelopeq25-q75 envelopemedian spectrummedianq25–q75q05–q95wavelength / none2.501none — median 6.937 (q25–q75 5.502–8.906)2.516none — median 6.816 (q25–q75 5.379–8.746)2.532none — median 6.74 (q25–q75 5.399–8.58)2.547none — median 6.796 (q25–q75 5.403–8.786)2.563none — median 6.935 (q25–q75 5.458–8.724)2.579none — median 6.81 (q25–q75 5.447–8.812)2.595none — median 6.778 (q25–q75 5.382–8.678)2.611none — median 6.605 (q25–q75 5.186–8.607)2.628none — median 6.339 (q25–q75 5.104–8.268)2.644none — median 5.964 (q25–q75 4.841–7.902)2.662none — median 5.573 (q25–q75 4.51–7.38)2.678none — median 5.321 (q25–q75 4.316–6.975)2.697none — median 5.002 (q25–q75 3.956–6.691)2.713none — median 4.805 (q25–q75 3.63–6.467)2.732none — median 4.654 (q25–q75 3.502–5.856)2.749none — median 4.485 (q25–q75 3.288–5.745)2.768none — median 4.428 (q25–q75 3.301–5.797)2.786none — median 4.339 (q25–q75 3.204–5.575)2.806none — median 4.221 (q25–q75 3.152–5.465)2.824none — median 4.155 (q25–q75 3.114–5.334)2.844none — median 4.124 (q25–q75 3.105–5.212)2.863none — median 4.09 (q25–q75 3.149–5.234)2.884none — median 3.962 (q25–q75 3.06–5.224)2.903none — median 4.053 (q25–q75 3.016–5.18)2.925none — median 4.051 (q25–q75 3.055–5.225)2.945none — median 3.974 (q25–q75 3.097–5.226)2.966none — median 3.965 (q25–q75 3.003–5.484)2.987none — median 4.092 (q25–q75 3.089–5.517)3.01none — median 3.919 (q25–q75 3.114–5.368)3.031none — median 4.066 (q25–q75 3.203–5.335)3.054none — median 4.143 (q25–q75 2.866–5.953)3.076none — median 4.118 (q25–q75 3.17–5.216)3.099none — median 4.205 (q25–q75 3.192–5.312)3.122none — median 4.287 (q25–q75 3.283–5.307)3.146none — median 4.279 (q25–q75 3.092–5.507)3.17none — median 4.285 (q25–q75 2.986–5.812)3.195none — median 4.255 (q25–q75 3.264–5.435)3.219none — median 4.247 (q25–q75 3.242–5.469)3.245none — median 4.215 (q25–q75 3.225–5.501)3.269none — median 4.266 (q25–q75 3.215–5.465)3.296none — median 4.266 (q25–q75 3.218–5.439)3.322none — median 4.155 (q25–q75 3.046–5.267)3.35none — median 3.931 (q25–q75 2.945–5.039)3.376none — median 3.752 (q25–q75 2.792–4.843)3.405none — median 3.674 (q25–q75 2.59–4.799)3.432none — median 6.449 (q25–q75 4.932–8.982)3.462none — median 4.996 (q25–q75 3.869–6.184)3.489none — median 4.418 (q25–q75 3.425–5.558)3.518none — median 6.035 (q25–q75 4.79–7.439)3.549none — median 5.168 (q25–q75 4.052–6.439)3.579none — median 5.052 (q25–q75 3.959–6.428)3.611none — median 4.997 (q25–q75 3.945–6.36)3.641none — median 4.993 (q25–q75 3.904–6.332)3.675none — median 5.035 (q25–q75 3.904–6.384)3.706none — median 4.974 (q25–q75 3.989–6.412)3.741none — median 5.018 (q25–q75 3.986–6.491)3.774none — median 5.041 (q25–q75 4.067–6.59)3.81none — median 5.083 (q25–q75 4.018–6.723)3.844none — median 5.101 (q25–q75 4.067–6.784)3.881none — median 5.149 (q25–q75 4.086–6.864)3.916none — median 5.14 (q25–q75 4.102–6.873)3.955none — median 5.165 (q25–q75 4.132–6.908)3.992none — median 5.159 (q25–q75 4.182–6.908)4.032none — median 5.204 (q25–q75 4.157–6.878)4.07none — median 5.214 (q25–q75 4.148–6.899)4.112none — median 5.217 (q25–q75 4.143–6.866)4.152none — median 5.19 (q25–q75 4.153–6.883)4.195none — median 5.184 (q25–q75 4.185–6.807)4.236none — median 5.303 (q25–q75 4.177–6.924)4.282none — median 5.245 (q25–q75 4.188–6.864)4.325none — median 5.079 (q25–q75 4.082–6.67)4.372none — median 5.009 (q25–q75 4.02–6.657)4.417none — median 4.97 (q25–q75 3.948–6.626)4.466none — median 4.931 (q25–q75 3.924–6.549)4.513none — median 4.907 (q25–q75 3.919–6.47)4.565none — median 4.848 (q25–q75 3.866–6.365)4.613none — median 4.824 (q25–q75 3.765–6.411)4.667none — median 4.823 (q25–q75 3.807–6.315)4.718none — median 4.777 (q25–q75 3.765–6.306)4.775none — median 4.78 (q25–q75 3.746–6.354)4.828none — median 4.812 (q25–q75 3.793–6.35)4.887none — median 4.774 (q25–q75 3.785–6.307)4.943none — median 4.8 (q25–q75 3.806–6.34)5.005none — median 4.841 (q25–q75 3.849–6.485)5.064none — median 4.878 (q25–q75 3.832–6.464)5.129none — median 4.885 (q25–q75 3.904–6.521)5.191none — median 4.884 (q25–q75 3.893–6.505)5.259none — median 4.915 (q25–q75 3.873–6.517)5.324none — median 4.899 (q25–q75 3.848–6.547)5.396none — median 4.751 (q25–q75 3.747–6.459)5.464none — median 4.704 (q25–q75 3.714–6.324)5.54none — median 4.559 (q25–q75 3.522–5.981)5.612none — median 4.364 (q25–q75 3.268–5.66)5.686none — median 3.929 (q25–q75 2.891–4.99)5.768none — median 3.989 (q25–q75 3.26–4.964)5.846none — median 4.417 (q25–q75 3.622–5.618)5.933none — median 4.663 (q25–q75 3.795–5.68)6.016none — median 4.592 (q25–q75 3.732–5.774)6.108none — median 4.592 (q25–q75 3.795–5.836)6.195none — median 4.719 (q25–q75 3.857–5.951)6.293none — median 4.673 (q25–q75 3.788–5.8)6.386none — median 4.603 (q25–q75 3.721–5.909)6.49none — median 4.539 (q25–q75 3.651–5.733)6.589none — median 4.289 (q25–q75 3.369–5.48)6.699none — median 4.347 (q25–q75 3.397–5.628)6.805none — median 4.299 (q25–q75 3.414–5.266)6.923none — median 4.358 (q25–q75 3.411–5.424)7.036none — median 4.292 (q25–q75 3.31–5.376)7.162none — median 4.246 (q25–q75 3.433–5.374)7.283none — median 4.191 (q25–q75 3.266–5.304)7.418none — median 4.18 (q25–q75 3.254–5.339)7.548none — median 4.178 (q25–q75 3.328–5.217)7.693none — median 4.136 (q25–q75 3.247–5.263)7.833none — median 4.023 (q25–q75 3.114–5.15)7.99none — median 3.943 (q25–q75 2.991–5.099)8.14none — median 4.122 (q25–q75 3.051–5.265)8.31none — median 4.381 (q25–q75 3.267–5.51)8.473none — median 4.319 (q25–q75 3.206–5.511)8.657none — median 4.595 (q25–q75 3.371–5.804)8.834none — median 4.586 (q25–q75 3.371–5.843)9.034none — median 4.658 (q25–q75 3.348–5.664)9.227none — median 4.757 (q25–q75 3.503–5.844)9.445none — median 4.55 (q25–q75 3.314–5.671)9.656none — median 4.708 (q25–q75 3.476–5.85)9.896none — median 4.981 (q25–q75 3.631–6.005)10.128none — median 5.002 (q25–q75 3.604–6.039)10.392none — median 4.815 (q25–q75 3.442–6.091)10.648none — median 4.92 (q25–q75 3.423–6.196)10.94none — median 5.046 (q25–q75 3.653–6.35)11.224none — median 4.925 (q25–q75 3.505–6.161)11.549none — median 4.687 (q25–q75 3.371–6.09)11.866none — median 4.55 (q25–q75 3.162–5.841)12.23none — median 4.837 (q25–q75 3.358–6.069)12.586none — median 4.772 (q25–q75 3.281–5.985)12.996none — median 4.457 (q25–q75 2.866–5.505)13.399none — median 4.211 (q25–q75 2.787–5.341)13.865none — median 4.649 (q25–q75 3.347–5.704)14.324none — median 4.434 (q25–q75 3.256–5.577)14.858none — median 3.832 (q25–q75 2.722–5.141)15.387none — median 3.673 (q25–q75 2.656–5.083)

Sampling

Wavelengths1,737
Axis range2.501–15.39 none
Mean spacing0.00742 none
Gridirregular
Observations342

Signal & quality

Value range-3.22 – 35.1
Mean range3.98 – 8
Mean level5.411
Area65.86
PTP4.027
Noise RMS0.05629
SNR96
SNR dB4e+01 dB
Dynamic range4.03
Smoothness0.2933
Saturated0.0%
X-outliers186

Integrity & artefacts

NaN ratio0.00%
Inf count0
Zero ratio0.00%
Spike count7,476
Spike rate1.26%
Jump count7,290
Jump rate1.23%
Clip fraction0.00%

Shape & reference

Baseline slope-1.1918
Curvature RMS0.2828
D1 RMS0.19185
RMS to mean1.6402
RMS p955.3527
SAM to mean0.12134
SAM p950.28127
Affine offset p9511.264
Affine gain p95 Δ1.9783
Affine residual p951.2697
Xcorr lag p952

Outliers & repeatability

PCA Q p95/median6.9
Hotelling T2 p95/median20
Mahalanobis H p95/median4.4
Repeat groups18
RMS intra-ID0
SAM intra-ID3.5257e-08
CV intra-ID0

Dimensionality (PCA)

Effective rank1.8
PCs → 95% var2
PCs → 99% var9
Top-10 cum. var99.1%
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_reflectance5.4110.44moyenValeur 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_curve65.8580.44moyenValeur 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_peak4.02660.00faibleVariabilité forteSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceamplitude.variance9.05320.00faibleNormal ou hétérogèneMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSnoise.noise_rms0.056290.21faibleStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRnoise.snr96.130.01faibleBon signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRnoise.bandwise_snr_min13.7610.35faibleZone 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_count7,4761.00fortArtefactsCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateartefacts.spike_rate1.26%1.00fortSpectre suspectInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countartefacts.jump_count7,2901.00fortRaccord détecteurSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateartefacts.jump_rate1.23%1.00fortProblème spectralCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionartefacts.clip_fraction0.000337%0.00faibleNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopeshape.baseline_slope-1.19180.44moyenDériveÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSshape.curvature_rms0.28281.00fortForme inhabituelleFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSshape.d1_rms0.191850.71moyenSpectre structuréBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)outliers.pca_q_ratio6.88170.86fortSpectre atypiqueArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²outliers.hotelling_t2_ratio19.7051.00fortExtrême mais cohérentVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis Houtliers.mahalanobis_h_ratio4.43911.00fortOutlier globalDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumreference.rms_to_mean_spectrum_p955.35271.00fortSpectre différentDomain 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_p950.281270.80fortForme différenteFond, géométriep95 spectral angle to dataset mean spectrumalert = min(1, SAM_p95 / 0.35 rad)
RépétabilitéRMS intra-IDrepeatability.rms_intra_id00.00faibleStablePositionnementmedian RMS distance to repeated-sample centroidalert = RMS_intra_ID / signal_scale, saturated at 10%
RépétabilitéSAM intra-IDrepeatability.sam_intra_id3.5257e-080.00faibleStableAcquisitionmedian SAM to repeated-sample centroidalert = min(1, SAM_intra_ID / 0.15 rad)
RépétabilitéCV intra-IDrepeatability.cv_intra_id00.00faibleStableOpérateurmedian within-ID band CValert = min(1, CV_intra_ID / 0.25)
Structure du datasetPCA score densitystructure.pca_score_density0.15351.00fortSous-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_p959.41891.00fortSpectre 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_p950.616691.00fortSpectre atypiqueDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
X PCA score plot-2500250500750-200-1000100200300PC1 -125.4 · PC2 13.69PC1 302.2 · PC2 -81.4PC1 173 · PC2 -49.21PC1 -83.39 · PC2 2.751PC1 31.17 · PC2 -22.36PC1 -34.79 · PC2 -11.5PC1 -109.2 · PC2 23.76PC1 -51.24 · PC2 4.842PC1 -130.4 · PC2 12.62PC1 -106.4 · PC2 13.73PC1 -75.93 · PC2 5.593PC1 -104.9 · PC2 13.91PC1 -51.7 · PC2 6.316PC1 -8.584 · PC2 -6.607PC1 -24.09 · PC2 9.378PC1 -83.47 · PC2 5.752PC1 39.26 · PC2 -23.94PC1 -74.41 · PC2 13.87PC1 15.21 · PC2 -15.89PC1 333.8 · PC2 -73.45PC1 199.6 · PC2 -46.77PC1 -69.98 · PC2 15.7PC1 -40.07 · PC2 19.3PC1 -18.54 · PC2 12.06PC1 -160.1 · PC2 13.39PC1 29.52 · PC2 29.5PC1 87.94 · PC2 -39.33PC1 31.95 · PC2 -7.304PC1 22.51 · PC2 -19.57PC1 -84.25 · PC2 29.64PC1 -42.06 · PC2 6.662PC1 213.9 · PC2 -60.54PC1 -35.7 · PC2 -1.656PC1 -29.98 · PC2 -13.33PC1 87.23 · PC2 -25.3PC1 21.96 · PC2 -10.44PC1 67.32 · PC2 -27.32PC1 172.9 · PC2 -45.67PC1 144.9 · PC2 -45.67PC1 1.874 · PC2 -17.09PC1 105.1 · PC2 -42.35PC1 110.9 · PC2 -46.89PC1 58.07 · PC2 -43.45PC1 -83.02 · PC2 -0.1611PC1 -29.31 · PC2 -23.59PC1 69.7 · PC2 -4.835PC1 -45.33 · PC2 -23.94PC1 -43.17 · PC2 18.18PC1 -124.8 · PC2 14.62PC1 -118.4 · PC2 13.29PC1 -124.9 · PC2 12.11PC1 -54.04 · PC2 4.809PC1 -100.3 · PC2 6.074PC1 -116.6 · PC2 11PC1 -46.49 · PC2 -4.209PC1 -26.74 · PC2 9.788PC1 -13.47 · PC2 6.452PC1 9.758 · PC2 -6.173PC1 -89.89 · PC2 3.834PC1 -30.84 · PC2 -1.065PC1 21.61 · PC2 -11.83PC1 35.47 · PC2 -9.051PC1 -17.98 · PC2 2.309PC1 -21.54 · PC2 5.859PC1 24.22 · PC2 -0.3837PC1 8.779 · PC2 4.059PC1 -67.09 · PC2 -0.8381PC1 17.9 · PC2 -20.4PC1 179.4 · PC2 -45.69PC1 -42.21 · PC2 -5.493PC1 -24.83 · PC2 -2.772PC1 -40.13 · PC2 -7.553PC1 -75.9 · PC2 13.06PC1 -68.99 · PC2 -0.08926PC1 -67.34 · PC2 7.045PC1 -51.45 · PC2 5.711PC1 -66.99 · PC2 16.61PC1 -71.67 · PC2 -1.65PC1 -83.07 · PC2 10.79PC1 -85.71 · PC2 8.889PC1 -49.63 · PC2 11.09PC1 -54.7 · PC2 6.376PC1 -93.45 · PC2 5.378PC1 -77.02 · PC2 8.055PC1 -22.32 · PC2 -2.908PC1 -15.12 · PC2 -4.319PC1 -39.19 · PC2 9.18PC1 72.95 · PC2 -19.48PC1 -84.44 · PC2 5.863PC1 214.8 · PC2 -57.64PC1 -97.37 · PC2 12.09PC1 167.8 · PC2 -67.24PC1 11.86 · PC2 -27.51PC1 -62.4 · PC2 -18.64PC1 29.17 · PC2 -34.52PC1 177.4 · PC2 -69.73PC1 391.7 · PC2 -118PC1 -118.6 · PC2 2.388PC1 -10.12 · PC2 -32.79PC1 64.64 · PC2 -44.95PC1 -38.65 · PC2 -20.34PC1 -15.11 · PC2 -27.27PC1 -20.9 · PC2 -26.33PC1 -25.21 · PC2 -22.51PC1 -34.47 · PC2 -18.27PC1 134.1 · PC2 -47.05PC1 -32.94 · PC2 -18.01PC1 -47.06 · PC2 -14.41PC1 -54.92 · PC2 -17.26PC1 70.41 · PC2 -40.3PC1 76.62 · PC2 -42.11PC1 -37.31 · PC2 -19.76PC1 -8.357 · PC2 -22.04PC1 85.71 · PC2 -25.69PC1 37.59 · PC2 -26.53PC1 54.25 · PC2 -33.55PC1 -48.66 · PC2 -13.94PC1 88.67 · PC2 -47.4PC1 29.68 · PC2 -25.55PC1 -22.34 · PC2 -14.19PC1 17.55 · PC2 -23.36PC1 -21.35 · PC2 -9.315PC1 34.87 · PC2 -20.93PC1 -32.23 · PC2 -13.55PC1 -36.49 · PC2 -9.899PC1 -9.518 · PC2 29.37PC1 -8.721 · PC2 30.04PC1 -26.63 · PC2 -18.36PC1 -23.35 · PC2 -20.04PC1 -16.29 · PC2 -22.66PC1 -17.49 · PC2 -20.77PC1 -24.19 · PC2 -18.16PC1 49.79 · PC2 -33.11PC1 25.47 · PC2 -35.25PC1 -13.33 · PC2 -26.93PC1 0.9277 · PC2 -27.68PC1 20.43 · PC2 -38.26PC1 -30.96 · PC2 -23.05PC1 -62.13 · PC2 -3.325PC1 -15.03 · PC2 -21.91PC1 -24.33 · PC2 -20.23PC1 -22.4 · PC2 -21.92PC1 -5.383 · PC2 -22.8PC1 -13.66 · PC2 -20.35PC1 -23.72 · PC2 -14.33PC1 109.9 · PC2 66.43PC1 263.4 · PC2 189.6PC1 143.2 · PC2 48.58PC1 220.6 · PC2 122.7PC1 179.9 · PC2 49.46PC1 547.3 · PC2 76.26PC1 147.9 · PC2 116.6PC1 281.2 · PC2 214.2PC1 114.3 · PC2 121.3PC1 230.7 · PC2 179.1PC1 121.9 · PC2 132.3PC1 282.8 · PC2 161.5PC1 287.7 · PC2 183.5PC1 641.7 · PC2 112.8PC1 320.5 · PC2 145.4PC1 -30.64 · PC2 -9.769PC1 -8.428 · PC2 -15.34PC1 -2.079 · PC2 -10.84PC1 15.32 · PC2 -19.95PC1 -43.59 · PC2 -3.867PC1 117.7 · PC2 -43.67PC1 -113.9 · PC2 11.88PC1 -109.6 · PC2 4.895PC1 -55.74 · PC2 2.454PC1 -128.5 · PC2 9.583PC1 -92.01 · PC2 5.274PC1 -102.5 · PC2 7.809PC1 -41.21 · PC2 -1.129PC1 -46.45 · PC2 -1.967PC1 -19.12 · PC2 2.636PC1 -46.73 · PC2 -1.081PC1 -33.04 · PC2 8.674PC1 -24.33 · PC2 -2.431PC1 -88.38 · PC2 11.37PC1 -61.05 · PC2 -3.422PC1 -9.851 · PC2 -17.09PC1 -115.2 · PC2 6.357PC1 -87.92 · PC2 7.625PC1 -66.14 · PC2 -6.395PC1 -34.23 · PC2 -9.577PC1 -108.9 · PC2 5.236PC1 -96.44 · PC2 7.832PC1 -95.9 · PC2 7.772PC1 -82.81 · PC2 1.047PC1 -110.4 · PC2 3.906PC1 -61.21 · PC2 0.3322PC1 66.16 · PC2 -45.98PC1 189.3 · PC2 -60.9PC1 130.5 · PC2 -46.6PC1 162.8 · PC2 -52.7PC1 14.91 · PC2 -26.39PC1 -4.455 · PC2 44.92PC1 -11.68 · PC2 29.59PC1 158 · PC2 -62.99PC1 -22.99 · PC2 -13.44PC1 21.68 · PC2 -34.49PC1 340.9 · PC2 -90.28PC1 428.5 · PC2 -96.79PC1 -12.11 · PC2 -7.22PC1 -6.362 · PC2 18.99PC1 88.28 · PC2 21.23PC1 9.241 · PC2 28.8PC1 -7.881 · PC2 22.64PC1 -42.87 · PC2 -16.22PC1 -18.24 · PC2 -5.277PC1 -41.41 · PC2 -20.39PC1 446.9 · PC2 -109.3PC1 -75.9 · PC2 13.06PC1 -68.99 · PC2 -0.08926PC1 -67.34 · PC2 7.045PC1 -51.45 · PC2 5.711PC1 -66.99 · PC2 16.61PC1 -71.67 · PC2 -1.65PC1 -83.07 · PC2 10.79PC1 -85.71 · PC2 8.889PC1 -49.63 · PC2 11.09PC1 -54.7 · PC2 6.376PC1 -93.45 · PC2 5.378PC1 -77.02 · PC2 8.055PC1 -22.32 · PC2 -2.908PC1 -15.12 · PC2 -4.319PC1 -39.19 · PC2 9.18PC1 72.95 · PC2 -19.48PC1 -84.44 · PC2 5.863PC1 214.8 · PC2 -57.64PC1 11.7 · PC2 43.49PC1 81.75 · PC2 88.21PC1 -0.6698 · PC2 14.85PC1 55.05 · PC2 75.69PC1 -107 · PC2 1.359PC1 -47.86 · PC2 -13.25PC1 -116.7 · PC2 4.989PC1 -120.9 · PC2 2.323PC1 -87.31 · PC2 0.6888PC1 -144.1 · PC2 5.197PC1 -99.04 · PC2 4.36PC1 -90.42 · PC2 -3.536PC1 -44.66 · PC2 -7.242PC1 -97.83 · PC2 2.511PC1 -70.17 · PC2 -2.469PC1 -125.1 · PC2 3.707PC1 7.424 · PC2 -34.37PC1 91.08 · PC2 -43.08PC1 423.4 · PC2 -117.4PC1 244.5 · PC2 -75.16PC1 -129 · PC2 4.591PC1 36.64 · PC2 -28.04PC1 -73.76 · PC2 -3.433PC1 -118 · PC2 2.647PC1 -98.64 · PC2 -0.926PC1 -106.1 · PC2 -0.2023PC1 -82.26 · PC2 -2.746PC1 -128.5 · PC2 2.458PC1 -94.51 · PC2 -0.7994PC1 -68.17 · PC2 -1.565PC1 -100.5 · PC2 -0.4893PC1 -70.62 · PC2 -5.622PC1 -86.39 · PC2 0.7814PC1 -69.76 · PC2 -8.882PC1 -112 · PC2 7.106PC1 -109.7 · PC2 2.177PC1 -142.5 · PC2 -3.455PC1 -126.2 · PC2 3.123PC1 -110 · PC2 2.814PC1 -115 · PC2 -0.5852PC1 -137.9 · PC2 11.21PC1 -106.4 · PC2 0.408PC1 -114.4 · PC2 5.957PC1 -55.28 · PC2 13.23PC1 -7.427 · PC2 -18.81PC1 0.3251 · PC2 -27.84PC1 119.4 · PC2 -37.97PC1 -35.4 · PC2 -9.888PC1 56.89 · PC2 -32.26PC1 -52.24 · PC2 -12.63PC1 -34.5 · PC2 -19.41PC1 148.5 · PC2 -60.27PC1 -6.428 · PC2 -21.33PC1 -65.78 · PC2 -5.901PC1 22.07 · PC2 -28.72PC1 -33.91 · PC2 -11.46PC1 -58.16 · PC2 20.67PC1 -9.84 · PC2 -11.44PC1 -19.39 · PC2 -16.17PC1 -45.79 · PC2 16.81PC1 -18.62 · PC2 -15.59PC1 -71.5 · PC2 -7.405PC1 -42.45 · PC2 16PC1 -37.2 · PC2 13.58PC1 12.16 · PC2 -3.769PC1 -68.13 · PC2 4.53PC1 -66.54 · PC2 15.51PC1 6.667 · PC2 2.865PC1 -20.59 · PC2 22.76PC1 -51.64 · PC2 23.05PC1 -29.41 · PC2 -4.449PC1 -6.875 · PC2 9.387PC1 -41.15 · PC2 -0.1792PC1 -30.47 · PC2 17.07PC1 -31.2 · PC2 15.93PC1 52.15 · PC2 60.35PC1 63.5 · PC2 14.57PC1 59.42 · PC2 51.54PC1 -17.27 · PC2 7.298PC1 20.05 · PC2 65.07PC1 8.133 · PC2 9.182PC1 1.999 · PC2 21.03PC1 4.011 · PC2 23.43PC1 -21.39 · PC2 26.88PC1 67.76 · PC2 18.16PC1 50.02 · PC2 34.5PC1 10.1 · PC2 33.07PC1 33.64 · PC2 17.43PC1 17 · PC2 19.55PC1 40.08 · PC2 41.57PC1 18.16 · PC2 21.9PC1 28.18 · PC2 41.84PC1 88.4 · PC2 18.41PC1 26.59 · PC2 19.89PC1 36.75 · PC2 15.39PC1 114.2 · PC2 69.68PC1 63.37 · PC2 -6.09PC1 78.84 · PC2 59.36PC1 26.29 · PC2 -37.55PC1 -34.14 · PC2 -7.911PC1 -28.04 · PC2 -7.315PC1 -2.159 · PC2 12.2PC1 -25.01 · PC2 -22.82PC1 -53.53 · PC2 -15.08PC1 -4.522 · PC2 51.09PC1 -22.09 · PC2 62.29PC1 -95.14 · PC2 5.492PC1 -79.56 · PC2 -3.911PC1 -83.12 · PC2 -9.764PC1 -117.9 · PC2 2.878PC1 -29.69 · PC2 14.44PC1 -59.69 · PC2 18.21PC1 (85.3%)PC2 (11.0%)342 scores
PCA explained variance0%25%50%75%100%PC1: 85.3% (cumulative 85.3%)1PC2: 11.0% (cumulative 96.3%)2PC3: 1.3% (cumulative 97.6%)3PC4: 0.6% (cumulative 98.2%)4PC5: 0.3% (cumulative 98.5%)5PC6: 0.2% (cumulative 98.7%)6PC7: 0.1% (cumulative 98.9%)7PC8: 0.1% (cumulative 99.0%)8PC9: 0.1% (cumulative 99.1%)9PC10: 0.1% (cumulative 99.1%)10cumulative explained variancePC variancecumulativeprincipal component · cumulative (dashed)

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 3

material_name

target · categorical
material_name classesArctostaphylos glandulosa 3Arctostaphylos glandulosa 3: 1313Arctostaphylos glandulosa 1Arctostaphylos glandulosa 1: 1212Arctostaphylos glandulosa 2Arctostaphylos glandulosa 2: 1212Baccharis pilularis 1Baccharis pilularis 1: 1212Baccharis pilularis 2Baccharis pilularis 2: 1212Baccharis pilularis 3Baccharis pilularis 3: 1212Adenostoma fasciculatum 1Adenostoma fasciculatum 1: 66Adenostoma fasciculatum 2Adenostoma fasciculatum 2: 66Adenostoma fasciculatum 3Adenostoma fasciculatum 3: 66Ceanothus megacarpus 1Ceanothus megacarpus 1: 66+10 more+10 more: 6060
n / missing324 / 0
Classes53
Balance (entropy)0.98
Imbalance ratio13
Top classArctostaphylos glandulosa 3 (13)

type

target · categorical
type classesvegetationvegetation: 286286VegetationVegetation: 3838
n / missing324 / 0
Classes2
Balance (entropy)0.52
Imbalance ratio8
Top classvegetation (286)

class_label

target · categorical
class_label classesShrubShrub: 178178TreeTree: 146146
n / missing324 / 0
Classes2
Balance (entropy)0.99
Imbalance ratio1
Top classShrub (178)

Metadata 7

ecostress_resource_id

metadata · categorical
n / missing324 / 0
Classes324
Balance (entropy)1
Imbalance ratio1
Top classvegetation.shrub.adenostoma.fasciculatum.tir.vh033.ucsb.nicolet.spectrum (1)

material_type

metadata · categorical
material_type classesvegetationvegetation: 286286VegetationVegetation: 3838
n / missing324 / 0
Classes2
Balance (entropy)0.52
Imbalance ratio8
Top classvegetation (286)

location

metadata · categorical
location classesUSA, Massachusetts, Harvard F…USA, Massachusetts, Harvard Forest: 383834.5084, -119.7687, WGS8434.5084, -119.7687, WGS84: 181834.4906, -119.7908, WGS8434.4906, -119.7908, WGS84: 181834.698, -120.0477, WGS8434.698, -120.0477, WGS84: 151537.0443, -119.3026, WGS8437.0443, -119.3026, WGS84: 131334.5084, -119.7682, WGS8434.5084, -119.7682, WGS84: 121234.4909, -119.7914, WGS8434.4909, -119.7914, WGS84: 121234.418, -119.8455, WGS8434.418, -119.8455, WGS84: 8834.5084, -119.7686, WGS8434.5084, -119.7686, WGS84: 6634.5085, -119.7682, WGS8434.5085, -119.7682, WGS84: 66+10 more+10 more: 6060
n / missing324 / 0
Classes41
Balance (entropy)0.95
Imbalance ratio19
Top classUSA, Massachusetts, Harvard Forest (38)

date

metadata · categorical
date classes4/1/20134/1/2013: 48486/3/20136/3/2013: 484810/13/201310/13/2013: 484811/2/201311/2/2013: 46467/8/20137/8/2013: 38384/20/20134/20/2013: 24246/8/20136/8/2013: 24244/21/20134/21/2013: 24246/9/20136/9/2013: 2424
n / missing324 / 0
Classes9
Balance (entropy)0.98
Imbalance ratio2
Top class4/1/2013 (48)

species

metadata · categorical
species classesShrubShrub: 178178TreeTree: 146146
n / missing324 / 0
Classes2
Balance (entropy)0.99
Imbalance ratio1
Top classShrub (178)

sample_description

metadata · categorical
sample_description classesSamples were collected as par…Samples were collected as part of the HyspIRI Airborne Campaign. 48 individual plants were sampled in three times in 2013 - spring summer and fall. The name of the sample includes a 1 2 or 3 which references a different individual of the species. Samples were taken to JPL and processed within 48 hours of collection. The same leaves were processed in the Nicolet and then measured using the ASD.: 286286Samples were collected as par…Samples were collected as part of NSF Macrosystem Biology proposal titled: Collaborative Research: Thermal controls on ecosystem metabolism and function: scaling from leaves to canopies to regions. Samples were collected and overnighted to JPL facilities for processing. The same leaves were processed in the Nicolet and then measured using the ASD.: 3838
n / missing324 / 0
Classes2
Balance (entropy)0.52
Imbalance ratio8
Top classSamples were collected as part of the HyspIRI Airborne Campaign. 48 individual plants were sampled in three times in 2013 - spring summer and fall. The name of the sample includes a 1 2 or 3 which references a different individual of the species. Samples were taken to JPL and processed within 48 hours of collection. The same leaves were processed in the Nicolet and then measured using the ASD. (286)

notes

metadata · categorical
n / missing324 / 0
Classes324
Balance (entropy)1
Imbalance ratio1
Top classvegetation.shrub.adenostoma.fasciculatum.tir.vh033.ucsb.nicolet.ancillary.txt (1)
Constant metadata 13
  • categoryvegetation
  • instrumentucsb.nicolet
  • acquisition_modeHemispherical reflectance
  • signal_typeReflectance (percentage)
  • axis_unitWavelength (micrometers)
  • axis_min2.501
  • axis_max15.39
  • n_points_original1,737
  • publication_doi10.1016/j.rse.2019.05.015
  • citationMeerdink et al. 2019, Baldridge et al. 2009
  • licenseCopyright California Institute of Technology / JPL, all rights reserved
  • rights_statusmanual_review_needed
  • usage_scopeprivate_use_only

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

Alignment

Alignment levelobservation
Sample id availableyes
Samples324
Observations (total)342
Reps per samplemin 1 · mean 1.056 · max 2

Provenance & citation

ContributorECOSTRESS Spectral Library
Origin · url [open]https://speclib.jpl.nasa.gov/download
Origin · url [open]https://speclib.jpl.nasa.gov/
Origin · script [manual]source_to_standard.py — standardization script (maintainer-only)
Publication10.1016/j.rse.2019.05.015 — The ECOSTRESS spectral library version 1.0
Publication10.1016/j.rse.2008.11.007 — The ASTER Spectral Library Version 2.0

Governance & integrity

Tierprivate
LicenseLicenseRef-not-cleared
Permitted useResearch and benchmarking; private use only.
Access policyManual download / private-use-only per source.
RedistributionOfficial ECOSTRESS page requests citation and states copyright/all rights reserved; converted matrices are private/internal until redistribution rights are clarified.
Content version1.0.0
Schema / protocol2.0
Content hash8a69b7d531a7b3b5…
Processing hashcdb6e8cfd3aa2a85…
Metadata hash79fcae0ad963e743…

Load this dataset

# pip install nirs4all-datasets
from nirs4all_datasets import get

# private dataset — export requires a Dataverse token
ds = get("ecostress_vegetation_tir_1737points_342rows", token="…")
X, y = ds.x(), ds.y()
print(X.shape, y.shape)

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