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EcoSIS Potato Virus Y Detection in Solanum tuberosum: Greenhouse Data (PVY_Strain)

leaf · NIR

EcoSIS Potato Virus Y Detection in Solanum tuberosum: Greenhouse Data (PVY_Strain). v2.0 standardized NIRS package: 1 spectral source(s), 1 declared target(s). Auto-generated from dataset_card.json (verify before publication).

nirv2leaf
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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.
80
samples
2,151
wavelengths
1
sources
1
targets
26
metadata
NIR
family

Dataset property explorer

Mean profile risk0.37
Highest axisArtefacts locaux · 1.00
Diagnostics8
Sources profiled1
EcoSIS Potato Virus Y Detection in Solanum tuberosum: Greenhouse Data (PVY_Strain) property profile0.250.50.751integritynoiseartefactsbaselinePCA outliersreferencerepeatabilitystructureEcoSIS Potato Virus Y Detection in Solanum tuberosum: Greenhouse Data (PVY_Strain) profileintegrity: 0.00noise: 0.00artefacts: 1.00baseline: 0.81PCA outliers: 0.38reference: 0.12repeatability: 0.00structure: 0.62EcoSIS Potato V…0 center · 1 outer ring · outward = stronger anomaly / heterogeneity signal

Profile axes

Intégrité0.00
Artefacts locaux1.00
Bruit0.00
Outliers PCA0.38
Distance à la référence0.12
Répétabilité0.00
Baseline / forme0.81
Structure multi-régimes0.62
Diagnostic hypotheses00.250.50.751hypothesis scoreSplice / raccord détecteursSplice / raccord détecteurs: 0.630.63Erreur interpolation / réécha…Erreur interpolation / rééchantillonnage: 0.590.59Erreur calibration / référenc…Erreur calibration / référence blanche: 0.480.48Signature VERA25-likeSignature VERA25-like: 0.480.48Fond différentFond différent: 0.410.41Différence de sonde / géométr…Différence de sonde / géométrie: 0.390.39Spectre saturé / clippingSpectre saturé / clipping: 0.360.36Mélange feuille + fondMélange feuille + fond: 0.280.28
DiagnosticScoreForceSignauxInterprétation probable
Splice / raccord détecteursX0.63moyenneSpike rate 1.00, Jump rate 1.00, SNR non dégradé 1.00Rupture aux jonctions de détecteurs, calibration locale ou sonde différente.
Erreur interpolation / rééchantillonnageX0.59moyenneSpike rate 1.00, Jump rate 1.00, SNR normal/élevé 1.00Artefacts numériques ou traitement spectral incorrect.
Erreur calibration / référence blancheX0.48moyenneartefacts locaux 1.00, Baseline/mean/area 0.81, Mahalanobis / T2 0.38Décalage systématique entre campagnes, instruments ou référence blanche.
Signature VERA25-likeX0.48moyenneSpike rate 1.00, Jump rate 1.00, Mahalanobis / T2 0.38Combinaison possible changement de sonde + splice, amplifiée par géométrie, fond ou calibration.
Fond différentX0.41faibleBaseline/mean/area 0.81, Mahalanobis / T2 0.38, PCA Q 0.35Effet systématique du support, blanc/noir, transflectance ou environnement de mesure.
Différence de sonde / géométrieX0.39faibleBaseline/mean/area 0.81, Mahalanobis / T2 0.38, PCA Q 0.35Modification de l'illumination, collecte, angle ou distance sonde-échantillon.
Spectre saturé / clippingX0.36faibleJump rate 1.00, Baseline/mean/area 0.81, PCA Q 0.35Détecteur saturé ou dynamique insuffisante.
Mélange feuille + fondX0.28faibleBaseline/mean/area 0.81, Mahalanobis / T2 0.38, PCA Q 0.35Couverture partielle du spot; contribution du fond ou du support.

Spectral sources

plantlevel_means_df_PID_Time2

X · NIR
plantlevel_means_df_PID_Time2 spectra0.00.20.40.601,0002,0003,000q05-q95 envelopeq25-q75 envelopemedian spectrummedianq25–q75q05–q95wavelength / nm350nm — median 0.07695 (q25–q75 0.06935–0.08075)365nm — median 0.05715 (q25–q75 0.0545–0.06132)381nm — median 0.0517 (q25–q75 0.04938–0.05493)396nm — median 0.04555 (q25–q75 0.0435–0.04752)412nm — median 0.0418 (q25–q75 0.0404–0.04403)427nm — median 0.0404 (q25–q75 0.0387–0.04183)443nm — median 0.0396 (q25–q75 0.0378–0.041)458nm — median 0.0399 (q25–q75 0.0382–0.04152)474nm — median 0.04005 (q25–q75 0.0382–0.0414)489nm — median 0.04045 (q25–q75 0.03867–0.04195)505nm — median 0.04485 (q25–q75 0.04278–0.04702)520nm — median 0.06955 (q25–q75 0.06558–0.0746)536nm — median 0.1069 (q25–q75 0.1006–0.1137)551nm — median 0.1166 (q25–q75 0.1094–0.1242)567nm — median 0.09875 (q25–q75 0.0926–0.1056)582nm — median 0.07165 (q25–q75 0.0666–0.07695)597nm — median 0.0628 (q25–q75 0.05855–0.06708)613nm — median 0.0539 (q25–q75 0.05075–0.0574)628nm — median 0.04785 (q25–q75 0.04515–0.05032)644nm — median 0.04405 (q25–q75 0.0414–0.04552)659nm — median 0.0393 (q25–q75 0.03768–0.04083)675nm — median 0.039 (q25–q75 0.0375–0.04042)690nm — median 0.04765 (q25–q75 0.04605–0.05032)706nm — median 0.1597 (q25–q75 0.1525–0.1695)721nm — median 0.3313 (q25–q75 0.3222–0.341)737nm — median 0.4619 (q25–q75 0.4541–0.4689)752nm — median 0.5049 (q25–q75 0.4974–0.5116)768nm — median 0.5134 (q25–q75 0.5063–0.5199)783nm — median 0.5137 (q25–q75 0.5059–0.5205)799nm — median 0.513 (q25–q75 0.505–0.5199)814nm — median 0.5124 (q25–q75 0.5043–0.519)829nm — median 0.5114 (q25–q75 0.5039–0.5178)845nm — median 0.5099 (q25–q75 0.5027–0.5171)860nm — median 0.5089 (q25–q75 0.5018–0.5166)876nm — median 0.5076 (q25–q75 0.501–0.5152)891nm — median 0.5061 (q25–q75 0.4998–0.5138)907nm — median 0.5044 (q25–q75 0.4984–0.5122)922nm — median 0.5023 (q25–q75 0.4962–0.5099)938nm — median 0.4973 (q25–q75 0.491–0.5047)953nm — median 0.4887 (q25–q75 0.4822–0.4959)969nm — median 0.4817 (q25–q75 0.4752–0.4885)984nm — median 0.4803 (q25–q75 0.4738–0.487)1,000nm — median 0.481 (q25–q75 0.4748–0.488)1,015nm — median 0.4826 (q25–q75 0.4755–0.4891)1,031nm — median 0.4869 (q25–q75 0.4794–0.4936)1,046nm — median 0.4885 (q25–q75 0.4814–0.4955)1,062nm — median 0.489 (q25–q75 0.482–0.4961)1,077nm — median 0.488 (q25–q75 0.4812–0.4952)1,092nm — median 0.4861 (q25–q75 0.4794–0.4932)1,108nm — median 0.4832 (q25–q75 0.4763–0.4899)1,123nm — median 0.4792 (q25–q75 0.4718–0.4855)1,139nm — median 0.4641 (q25–q75 0.4565–0.4699)1,154nm — median 0.4447 (q25–q75 0.4373–0.4499)1,170nm — median 0.4391 (q25–q75 0.4319–0.4439)1,185nm — median 0.4372 (q25–q75 0.4301–0.4421)1,201nm — median 0.4369 (q25–q75 0.4297–0.4418)1,216nm — median 0.4386 (q25–q75 0.4312–0.4434)1,232nm — median 0.4403 (q25–q75 0.4329–0.4453)1,247nm — median 0.4418 (q25–q75 0.4343–0.4466)1,263nm — median 0.4419 (q25–q75 0.4345–0.4468)1,278nm — median 0.4399 (q25–q75 0.4325–0.4447)1,294nm — median 0.4338 (q25–q75 0.4263–0.4385)1,309nm — median 0.424 (q25–q75 0.4161–0.4285)1,324nm — median 0.406 (q25–q75 0.3981–0.4111)1,340nm — median 0.3819 (q25–q75 0.3741–0.3871)1,355nm — median 0.3613 (q25–q75 0.3548–0.3656)1,371nm — median 0.3311 (q25–q75 0.3258–0.3362)1,386nm — median 0.2604 (q25–q75 0.2548–0.2655)1,402nm — median 0.1636 (q25–q75 0.1576–0.1694)1,417nm — median 0.1201 (q25–q75 0.1147–0.1259)1,433nm — median 0.1064 (q25–q75 0.1009–0.1121)1,448nm — median 0.1041 (q25–q75 0.09818–0.1095)1,464nm — median 0.1083 (q25–q75 0.1021–0.1138)1,479nm — median 0.1219 (q25–q75 0.1155–0.1278)1,495nm — median 0.1431 (q25–q75 0.1362–0.1491)1,510nm — median 0.1654 (q25–q75 0.1585–0.1715)1,526nm — median 0.1898 (q25–q75 0.1834–0.1962)1,541nm — median 0.2119 (q25–q75 0.2054–0.2182)1,556nm — median 0.232 (q25–q75 0.2257–0.2382)1,572nm — median 0.2501 (q25–q75 0.2444–0.2559)1,587nm — median 0.2647 (q25–q75 0.2591–0.2704)1,603nm — median 0.2773 (q25–q75 0.272–0.2826)1,618nm — median 0.2867 (q25–q75 0.2816–0.2921)1,634nm — median 0.2947 (q25–q75 0.2898–0.3)1,649nm — median 0.3002 (q25–q75 0.2951–0.3052)1,665nm — median 0.3032 (q25–q75 0.2981–0.3085)1,680nm — median 0.3027 (q25–q75 0.2975–0.3078)1,696nm — median 0.2993 (q25–q75 0.2945–0.3046)1,711nm — median 0.2945 (q25–q75 0.2896–0.2997)1,727nm — median 0.287 (q25–q75 0.282–0.2922)1,742nm — median 0.2763 (q25–q75 0.2711–0.2816)1,758nm — median 0.2625 (q25–q75 0.2571–0.2676)1,773nm — median 0.2505 (q25–q75 0.2447–0.2558)1,788nm — median 0.244 (q25–q75 0.2381–0.2495)1,804nm — median 0.2429 (q25–q75 0.2371–0.2483)1,819nm — median 0.2426 (q25–q75 0.2366–0.2481)1,835nm — median 0.2373 (q25–q75 0.2309–0.2425)1,850nm — median 0.2184 (q25–q75 0.212–0.2235)1,866nm — median 0.167 (q25–q75 0.1611–0.1723)1,881nm — median 0.09095 (q25–q75 0.08707–0.09653)1,897nm — median 0.0445 (q25–q75 0.0427–0.0462)1,912nm — median 0.0272 (q25–q75 0.02608–0.0282)1,928nm — median 0.0252 (q25–q75 0.02437–0.02625)1,943nm — median 0.0257 (q25–q75 0.02478–0.0267)1,959nm — median 0.0277 (q25–q75 0.0265–0.02855)1,974nm — median 0.0309 (q25–q75 0.0294–0.03185)1,990nm — median 0.03605 (q25–q75 0.03418–0.03753)2,005nm — median 0.04255 (q25–q75 0.04017–0.04442)2,021nm — median 0.0501 (q25–q75 0.0471–0.05283)2,036nm — median 0.0588 (q25–q75 0.05477–0.06202)2,051nm — median 0.0678 (q25–q75 0.06337–0.0713)2,067nm — median 0.07805 (q25–q75 0.07287–0.08203)2,082nm — median 0.08845 (q25–q75 0.08317–0.09343)2,098nm — median 0.1003 (q25–q75 0.095–0.1056)2,113nm — median 0.1127 (q25–q75 0.1069–0.1174)2,129nm — median 0.1234 (q25–q75 0.1175–0.1281)2,144nm — median 0.1306 (q25–q75 0.1246–0.135)2,160nm — median 0.1367 (q25–q75 0.1306–0.1409)2,175nm — median 0.1395 (q25–q75 0.1334–0.1438)2,191nm — median 0.1411 (q25–q75 0.135–0.1454)2,206nm — median 0.1427 (q25–q75 0.1365–0.1471)2,222nm — median 0.1429 (q25–q75 0.1369–0.1474)2,237nm — median 0.141 (q25–q75 0.135–0.1453)2,253nm — median 0.1345 (q25–q75 0.1286–0.1388)2,268nm — median 0.1266 (q25–q75 0.1205–0.1305)2,283nm — median 0.1192 (q25–q75 0.1132–0.1229)2,299nm — median 0.1121 (q25–q75 0.1064–0.1157)2,314nm — median 0.1045 (q25–q75 0.09915–0.1083)2,330nm — median 0.0959 (q25–q75 0.091–0.09978)2,345nm — median 0.08775 (q25–q75 0.08288–0.09165)2,361nm — median 0.0833 (q25–q75 0.07885–0.08712)2,376nm — median 0.08025 (q25–q75 0.07588–0.08373)2,392nm — median 0.06685 (q25–q75 0.06285–0.07)2,407nm — median 0.059 (q25–q75 0.05515–0.0618)2,423nm — median 0.05365 (q25–q75 0.05027–0.0557)2,438nm — median 0.05015 (q25–q75 0.04755–0.0521)2,454nm — median 0.04445 (q25–q75 0.0422–0.04623)2,469nm — median 0.03945 (q25–q75 0.0369–0.04085)2,485nm — median 0.0362 (q25–q75 0.03438–0.03762)2,500nm — median 0.0351 (q25–q75 0.0335–0.03635)

Sampling

Wavelengths2,151
Axis range350–2,500 nm
Mean spacing1 nm
Griduniform
Observations80

Signal & quality

Value range0.021 – 0.54
Mean range0.0252 – 0.513
Mean level0.2293
Area493.2
PTP0.4879
Noise RMS6.0523e-05
SNR3.8e+03
SNR dB7e+01 dB
Dynamic range0.488
Smoothness0.0005202
Saturated0.0%
X-outliers28

Integrity & artefacts

NaN ratio0.00%
Inf count0
Zero ratio0.00%
Spike count3,437
Spike rate2.00%
Jump count6,384
Jump rate3.71%
Clip fraction0.01%

Shape & reference

Baseline slope-0.19678
Curvature RMS0.00051471
D1 RMS0.0018428
RMS to mean0.0070523
RMS p950.012087
SAM to mean0.016169
SAM p950.033859
Affine offset p950.0097738
Affine gain p95 Δ0.038326
Affine residual p950.0071412
Xcorr lag p950

Outliers & repeatability

PCA Q p95/median2.8
Hotelling T2 p95/median2.4
Mahalanobis H p95/median1.5
Repeat groups0

Dimensionality (PCA)

Effective rank3.1
PCs → 95% var3
PCs → 99% var6
Top-10 cum. var99.6%
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_reflectance0.229340.81fortValeur 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_curve493.250.81fortValeur 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_peak0.487890.00faibleVariabilité forteSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceamplitude.variance0.030630.00faibleNormal ou hétérogèneMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSnoise.noise_rms6.0523e-050.00faibleStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRnoise.snr3789.20.00faibleBon signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRnoise.bandwise_snr_min25.250.20faibleZone 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_count3,4371.00fortArtefactsCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateartefacts.spike_rate2%1.00fortSpectre suspectInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countartefacts.jump_count6,3841.00fortRaccord détecteurSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateartefacts.jump_rate3.71%1.00fortProblème spectralCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionartefacts.clip_fraction0.011%0.01faibleNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopeshape.baseline_slope-0.196780.81fortDériveÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSshape.curvature_rms0.000514710.11faibleLisseFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSshape.d1_rms0.00184280.08faiblePlatBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)outliers.pca_q_ratio2.79790.35faibleConformeArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²outliers.hotelling_t2_ratio2.36290.30faibleCentralVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis Houtliers.mahalanobis_h_ratio1.53720.38faiblePopulation normaleDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumreference.rms_to_mean_spectrum_p950.0120870.10faibleTypiqueDomain 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_p950.0338590.10faibleSimilaireFond, géométriep95 spectral angle to dataset mean spectrumalert = min(1, SAM_p95 / 0.35 rad)
RépétabilitéRMS intra-IDrepeatability.rms_intra_id—0.00faibleStablePositionnementmedian RMS distance to repeated-sample centroidalert = RMS_intra_ID / signal_scale, saturated at 10%
RépétabilitéSAM intra-IDrepeatability.sam_intra_id—0.00faibleStableAcquisitionmedian SAM to repeated-sample centroidalert = min(1, SAM_intra_ID / 0.15 rad)
RépétabilitéCV intra-IDrepeatability.cv_intra_id—0.00faibleStableOpérateurmedian within-ID band CValert = min(1, CV_intra_ID / 0.25)
Structure du datasetPCA score densitystructure.pca_score_density6.06250.62moyenSous-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_p951.85380.43moyenSpectre 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_p950.580560.62moyenSpectre atypiqueDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
X PCA score plot-1.0-0.50.00.5-0.50-0.250.000.250.500.75PC1 -0.4087 · PC2 0.09095PC1 -0.03792 · PC2 -0.05896PC1 -0.005942 · PC2 -0.1648PC1 -0.4358 · PC2 0.1805PC1 0.01895 · PC2 0.051PC1 0.1279 · PC2 0.4164PC1 0.4001 · PC2 -0.3409PC1 0.184 · PC2 -0.07117PC1 0.01572 · PC2 -0.1574PC1 0.2905 · PC2 -0.1427PC1 0.2148 · PC2 -0.1889PC1 0.09694 · PC2 0.07914PC1 0.4237 · PC2 -0.159PC1 0.2926 · PC2 0.2012PC1 -0.3849 · PC2 0.02394PC1 -0.07509 · PC2 -0.0002161PC1 -0.05859 · PC2 0.1524PC1 -0.2226 · PC2 0.3979PC1 -0.1686 · PC2 -0.3436PC1 0.01051 · PC2 -0.08534PC1 -0.4077 · PC2 0.02057PC1 -0.6487 · PC2 0.513PC1 -0.2496 · PC2 -0.2241PC1 0.4486 · PC2 -0.2362PC1 0.1658 · PC2 -0.1075PC1 -0.6765 · PC2 -0.0365PC1 0.09831 · PC2 0.008667PC1 0.1794 · PC2 -0.2133PC1 0.2428 · PC2 -0.04962PC1 0.1388 · PC2 0.3664PC1 -0.2665 · PC2 -0.09243PC1 -0.429 · PC2 -0.2476PC1 -0.1981 · PC2 0.01637PC1 -0.6456 · PC2 0.1119PC1 0.4816 · PC2 0.2787PC1 0.2066 · PC2 0.03152PC1 -0.2013 · PC2 -0.0642PC1 -0.536 · PC2 0.1338PC1 -0.1999 · PC2 -0.4019PC1 0.155 · PC2 -0.1404PC1 -0.01755 · PC2 0.2637PC1 0.1427 · PC2 -0.1423PC1 0.0512 · PC2 -0.06693PC1 -0.009497 · PC2 -0.1891PC1 0.2316 · PC2 -0.125PC1 0.254 · PC2 0.4247PC1 -0.4563 · PC2 -0.007315PC1 0.4787 · PC2 -0.2016PC1 -0.1028 · PC2 -0.1748PC1 -0.2398 · PC2 -0.2668PC1 0.1772 · PC2 -0.2544PC1 -0.0376 · PC2 0.1298PC1 0.1384 · PC2 -0.231PC1 -0.2251 · PC2 0.003066PC1 0.4248 · PC2 0.3487PC1 0.137 · PC2 -0.1737PC1 -0.125 · PC2 -0.07108PC1 -0.04998 · PC2 -0.3292PC1 0.1504 · PC2 0.3371PC1 -0.07075 · PC2 0.032PC1 0.27 · PC2 0.07013PC1 0.4462 · PC2 0.1695PC1 -0.1907 · PC2 -0.1186PC1 0.3151 · PC2 -0.06551PC1 0.1202 · PC2 0.2845PC1 -0.0002832 · PC2 0.1762PC1 0.228 · PC2 -0.1345PC1 -0.26 · PC2 -0.1443PC1 0.1223 · PC2 0.007721PC1 0.04375 · PC2 -0.001333PC1 0.2378 · PC2 0.1626PC1 -0.3198 · PC2 0.1489PC1 -0.2969 · PC2 -0.009958PC1 -0.3508 · PC2 -0.1393PC1 0.2756 · PC2 0.4652PC1 -0.01551 · PC2 0.3478PC1 0.2967 · PC2 -0.1357PC1 -0.1206 · PC2 -0.2646PC1 0.2772 · PC2 0.2351PC1 0.1344 · PC2 0.09263PC1 (55.7%)PC2 (31.2%)80 scores
PCA explained variance0%25%50%75%100%PC1: 55.7% (cumulative 55.7%)1PC2: 31.2% (cumulative 86.9%)2PC3: 8.4% (cumulative 95.3%)3PC4: 2.4% (cumulative 97.7%)4PC5: 0.9% (cumulative 98.7%)5PC6: 0.4% (cumulative 99.1%)6PC7: 0.2% (cumulative 99.3%)7PC8: 0.1% (cumulative 99.4%)8PC9: 0.1% (cumulative 99.5%)9PC10: 0.1% (cumulative 99.6%)10cumulative explained variancePC variancecumulativeprincipal component · cumulative (dashed)
X-Y spectral correlation 1
X · PVY_Strain 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
PVY_Strain0.2658060.1820.0%

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 1

PVY_Strain

target · numeric
PVY_Strain distribution010200 – 0.125: 200.125 – 0.25: 00.25 – 0.375: 00.375 – 0.5: 00.5 – 0.625: 00.625 – 0.75: 00.75 – 0.875: 00.875 – 1: 01 – 1.125: 201.125 – 1.25: 01.25 – 1.375: 01.375 – 1.5: 01.5 – 1.625: 01.625 – 1.75: 01.75 – 1.875: 01.875 – 2: 02 – 2.125: 202.125 – 2.25: 02.25 – 2.375: 02.375 – 2.5: 02.5 – 2.625: 02.625 – 2.75: 02.75 – 2.875: 02.875 – 3: 200123
n / missing80 / 0
Mean ± SD1.5 ± 1.13
Median1.5
Range0 – 3
CV0.75
Skew / kurtosis0 / -1.4
Normal?no

Metadata 7

Plant_ID

metadata · categorical
n / missing80 / 0
Classes80
Balance (entropy)1
Imbalance ratio1
Top classP56 (1)

idstr

metadata · categorical
n / missing80 / 0
Classes80
Balance (entropy)1
Imbalance ratio1
Top class56_mean (1)

metadata_PVY_Strain

metadata · categorical
metadata_PVY_Strain classesNONO: 2020NTNNTN: 2020OO: 2020ControlControl: 2020
n / missing80 / 0
Classes4
Balance (entropy)1
Imbalance ratio1
Top classNO (20)

raw_label

metadata · categorical
raw_label classesNONO: 2020NTNNTN: 2020OO: 2020ControlControl: 2020
n / missing80 / 0
Classes4
Balance (entropy)1
Imbalance ratio1
Top classNO (20)

reference_value

metadata · categorical
reference_value classesNONO: 2020NTNNTN: 2020OO: 2020ControlControl: 2020
n / missing80 / 0
Classes4
Balance (entropy)1
Imbalance ratio1
Top classNO (20)

class_index

metadata · categorical
class_index classes11: 202022: 202033: 202000: 2020
n / missing80 / 0
Classes4
Balance (entropy)1
Imbalance ratio1
Top class1 (20)

class_label

metadata · categorical
class_label classesNONO: 2020NTNNTN: 2020OO: 2020ControlControl: 2020
n / missing80 / 0
Classes4
Balance (entropy)1
Imbalance ratio1
Top classNO (20)
Constant metadata 17
  • SpectralRep1
  • datasetEcoSIS
  • dataset_slugpotato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
  • task_typeclassification
  • trait_headerPVY_Strain
  • target_original_namePVY_Strain
  • measurement_hintplantlevel_means_df_PID_Time2
  • n_points_original2,151
  • dimensions1D
  • axis_notewavelengths_as_provided_by_EcoSIS_resource
  • official_data_urlhttps://data.ecosis.org/dataset/potato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
  • official_package_urlhttps://ecosis.org/package/potato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
  • licenseOther (Public Domain)
  • rights_statusexplicit_open
  • usage_scopepublic_reuse_possible
  • public_release_allowedTrue
  • notesTask-specific EcoSIS target not present in active parent Y table, wavelengths kept as provided by EcoSIS resource, no project interpolation.

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

Alignment

Alignment levelsample
Sample id availableyes
Samples80
Observations (total)80
Reps per samplemin 1 · mean 1 · max 1

Provenance & citation

ContributorPotato Virus Y Detection in Solanum tuberosum: Greenhouse Data
Origin · url [open]https://data.ecosis.org/dataset/potato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
Origin · url [open]https://data.ecosis.org/api/3/action/package_show?id=potato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
Origin · url [open]https://ecosis.org/package/potato-virus-y-detection-in-solanum-tuberosum--greenhouse-data-
Origin · script [manual]source_to_standard.py — standardization script (maintainer-only)

Governance & integrity

Tierprivate
LicenseLicenseRef-not-cleared
Permitted useResearch and benchmarking.
Access policyManual download / private-use-only per source.
RedistributionEcoSIS CKAN API package_show verified open license: Other (Public Domain).
Content version1.0.0
Schema / protocol2.0
Content hashf3986c3383446504…
Processing hashb5fd191095925815…
Metadata hasha8c68391c1a1f54d…

Load this dataset

# pip install nirs4all-datasets
from nirs4all_datasets import get

# private dataset — export requires a Dataverse token
ds = get("leaf_pvy_strain_time2_potato_virus_ecosis", token="…")
X, y = ds.x(), ds.y()
print(X.shape, y.shape)

Metadata downloads are available for public datasets only. The dataset bytes are never served here — fetch them from the origin / DOI above.