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ECOSTRESS manmade tir axis 93ae36e3

ecostress · other

ECOSTRESS manmade tir axis 93ae36e3. v2.0 standardized NIRS package: 1 spectral source(s), 1 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.
10
samples
2,223
wavelengths
1
sources
1
targets
27
metadata
other
family

Dataset property explorer

Mean profile risk0.49
Highest axisOutliers PCA · 1.00
Diagnostics8
Sources profiled1
ECOSTRESS manmade tir axis 93ae36e3 property profile0.250.50.751integritynoiseartefactsbaselinePCA outliersreferencerepeatabilitystructureECOSTRESS manmade tir axis 93ae36e3 profileintegrity: 0.00noise: 0.07artefacts: 0.38baseline: 0.43PCA outliers: 1.00reference: 1.00repeatability: 0.00structure: 1.00ECOSTRESS manma…0 center · 1 outer ring · outward = stronger anomaly / heterogeneity signal

Profile axes

Intégrité0.00
Artefacts locaux0.38
Bruit0.07
Outliers PCA1.00
Distance à la référence1.00
Répétabilité0.00
Baseline / forme0.43
Structure multi-régimes1.00
Diagnostic hypotheses00.250.50.751hypothesis scoreSpectre hors domaine valideSpectre hors domaine valide: 0.860.86Dataset multi-régimesDataset multi-régimes: 0.690.69Fond différentFond différent: 0.660.66Mélange feuille + fondMélange feuille + fond: 0.590.59Erreur calibration / référenc…Erreur calibration / référence blanche: 0.590.59Splice / raccord détecteursSplice / raccord détecteurs: 0.580.58Signature VERA25-likeSignature VERA25-like: 0.560.56Différence de sonde / géométr…Différence de sonde / géométrie: 0.550.55
DiagnosticScoreForceSignauxInterprétation probable
Spectre hors domaine valideX0.86forteMahalanobis / T2 1.00, RMS/SAM référence 1.00, Structure PCA 1.00Variété, espèce, lot ou condition différente mais physiquement plausible.
Dataset multi-régimesX0.69moyenneStructure PCA 1.00, RMS/SAM référence 1.00, Mahalanobis / T2 1.00Mélange de campagnes, opérateurs, lots, setups ou sous-populations spectrales.
Fond différentX0.66moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.78Effet systématique du support, blanc/noir, transflectance ou environnement de mesure.
Mélange feuille + fondX0.59moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.78Couverture partielle du spot; contribution du fond ou du support.
Erreur calibration / référence blancheX0.59moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.78Décalage systématique entre campagnes, instruments ou référence blanche.
Splice / raccord détecteursX0.58moyenneRMS/SAM référence 1.00, SNR non dégradé 0.96, PCA Q 0.78Rupture aux jonctions de détecteurs, calibration locale ou sonde différente.
Signature VERA25-likeX0.56moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.78Combinaison possible changement de sonde + splice, amplifiée par géométrie, fond ou calibration.
Différence de sonde / géométrieX0.55moyenneMahalanobis / T2 1.00, RMS/SAM référence 1.00, PCA Q 0.78Modification de l'illumination, collecte, angle ou distance sonde-échantillon.

Spectral sources

manmade tir

X · other · source instruments vary by sample
manmade tir spectra0204060051015q05-q95 envelopeq25-q75 envelopemedian spectrummedianq25–q75q05–q95wavelength / none14.013none — median 6.979 (q25–q75 5.344–20.48)13.432none — median 6.815 (q25–q75 5.359–10.35)12.898none — median 7.771 (q25–q75 5.298–13.02)12.404none — median 7.692 (q25–q75 5.374–12.99)11.947none — median 7.758 (q25–q75 5.803–8.768)11.522none — median 7.787 (q25–q75 5.281–8.357)11.126none — median 7.974 (q25–q75 7.231–10.32)10.757none — median 7.926 (q25–q75 5.906–12.91)10.411none — median 8.248 (q25–q75 5.713–10.38)10.087none — median 8.312 (q25–q75 5.689–10.44)9.7827none — median 7.37 (q25–q75 6.035–9.858)9.496none — median 6.034 (q25–q75 5.582–6.833)9.2257none — median 5.74 (q25–q75 4.964–5.977)8.9703none — median 5.856 (q25–q75 5.159–6.27)8.7287none — median 5.462 (q25–q75 5.138–6.028)8.4997none — median 5.384 (q25–q75 4.404–6.252)8.2825none — median 5.765 (q25–q75 4.374–6.905)8.0761none — median 6.005 (q25–q75 4.901–7.459)7.8797none — median 5.431 (q25–q75 3.912–5.949)7.6926none — median 4.761 (q25–q75 3.442–5.672)7.5142none — median 5.543 (q25–q75 4.638–7.342)7.344none — median 5.322 (q25–q75 4.703–6.407)7.1812none — median 5.311 (q25–q75 3.943–6.48)7.0255none — median 5.975 (q25–q75 4.993–7.234)6.8764none — median 5.761 (q25–q75 4.588–6.617)6.7336none — median 5.726 (q25–q75 4.65–9.866)6.5965none — median 5.707 (q25–q75 4.607–11.61)6.4649none — median 6.189 (q25–q75 4.781–11.08)6.3384none — median 6.226 (q25–q75 4.865–9.167)6.2168none — median 5.878 (q25–q75 4.882–9.455)6.0998none — median 6.191 (q25–q75 4.97–7.282)5.9871none — median 5.268 (q25–q75 4.377–6.372)5.8785none — median 6.106 (q25–q75 5.243–7.26)5.7738none — median 5.839 (q25–q75 4.736–6.045)5.6727none — median 4.915 (q25–q75 3.171–5.843)5.5811none — median 5.858 (q25–q75 4.775–9.169)5.4866none — median 5.874 (q25–q75 4.703–10.61)5.3952none — median 5.947 (q25–q75 4.825–10.48)5.3069none — median 6.026 (q25–q75 4.958–9.986)5.2214none — median 6.038 (q25–q75 5.027–9.905)5.1386none — median 6.072 (q25–q75 4.882–10.21)5.0584none — median 6.091 (q25–q75 4.966–10.23)4.9806none — median 6.032 (q25–q75 4.96–9.967)4.9052none — median 6.06 (q25–q75 5.085–9.787)4.8321none — median 6.124 (q25–q75 4.978–9.366)4.7611none — median 6.071 (q25–q75 5.049–9.063)4.6922none — median 6.028 (q25–q75 5.009–8.761)4.6252none — median 6.068 (q25–q75 5.039–8.747)4.5601none — median 6.108 (q25–q75 4.981–8.783)4.4968none — median 6.002 (q25–q75 4.956–8.79)4.4353none — median 6.126 (q25–q75 5.025–8.684)4.3754none — median 6.017 (q25–q75 4.964–8.358)4.3171none — median 6.114 (q25–q75 4.928–8.185)4.2603none — median 6.08 (q25–q75 4.882–8.159)4.2051none — median 6.067 (q25–q75 4.952–8.024)4.1512none — median 6.05 (q25–q75 4.929–7.874)4.0987none — median 6.106 (q25–q75 4.932–7.788)4.0475none — median 6.107 (q25–q75 4.85–7.579)3.9976none — median 6.102 (q25–q75 4.764–7.291)3.9489none — median 6.025 (q25–q75 4.812–7.12)3.9013none — median 6.013 (q25–q75 4.808–6.974)3.8549none — median 6.07 (q25–q75 4.893–6.94)3.8096none — median 6.034 (q25–q75 4.807–6.983)3.7653none — median 6.015 (q25–q75 4.816–7.062)3.7221none — median 6.028 (q25–q75 4.868–7.032)3.6798none — median 6.05 (q25–q75 4.951–6.966)3.6385none — median 6.119 (q25–q75 4.959–6.774)3.5981none — median 6.127 (q25–q75 4.829–6.758)3.5586none — median 6.103 (q25–q75 4.908–6.603)3.5199none — median 5.91 (q25–q75 4.866–6.254)3.4821none — median 5.221 (q25–q75 4.578–6.091)3.4451none — median 5.304 (q25–q75 4.514–6.207)3.4088none — median 4.888 (q25–q75 4.085–5.592)3.3733none — median 4.692 (q25–q75 4.076–5.564)3.3386none — median 5.086 (q25–q75 4.139–5.848)3.3045none — median 5.407 (q25–q75 4.476–6.04)3.2712none — median 5.654 (q25–q75 4.5–6.259)3.2385none — median 5.719 (q25–q75 4.524–6.173)3.2064none — median 5.656 (q25–q75 4.559–6.209)3.175none — median 5.602 (q25–q75 4.515–6.24)3.1442none — median 5.568 (q25–q75 4.628–6.212)3.114none — median 5.563 (q25–q75 4.602–6.058)3.0844none — median 5.575 (q25–q75 4.544–6.171)3.0553none — median 5.591 (q25–q75 4.601–6.159)3.0268none — median 5.353 (q25–q75 4.673–6.115)2.9987none — median 5.451 (q25–q75 4.589–6.027)2.9712none — median 5.454 (q25–q75 4.517–5.971)2.9442none — median 5.478 (q25–q75 4.647–6.064)2.9177none — median 5.39 (q25–q75 4.426–5.838)2.8917none — median 5.33 (q25–q75 4.477–5.82)2.8661none — median 5.314 (q25–q75 4.37–5.914)2.841none — median 5.273 (q25–q75 4.364–5.841)2.8163none — median 5.418 (q25–q75 4.308–5.869)2.7921none — median 5.321 (q25–q75 4.551–5.841)2.7682none — median 5.339 (q25–q75 4.343–5.776)2.7447none — median 5.234 (q25–q75 4.577–5.843)2.7217none — median 5.271 (q25–q75 4.66–5.741)2.699none — median 5.315 (q25–q75 4.534–5.859)2.6767none — median 5.311 (q25–q75 4.613–5.883)2.6548none — median 5.38 (q25–q75 4.564–5.806)2.6332none — median 5.435 (q25–q75 4.511–5.842)2.612none — median 5.243 (q25–q75 4.461–5.878)2.5911none — median 5.37 (q25–q75 4.632–5.895)2.5706none — median 5.447 (q25–q75 4.463–5.825)2.5503none — median 5.391 (q25–q75 4.266–5.852)2.5317none — median 5.24 (q25–q75 4.473–5.674)2.512none — median 5.252 (q25–q75 4.477–5.701)2.4927none — median 5.472 (q25–q75 4.308–5.83)2.4737none — median 5.288 (q25–q75 4.35–5.71)2.4549none — median 5.358 (q25–q75 4.465–5.87)2.4365none — median 5.353 (q25–q75 4.303–5.719)2.4183none — median 5.28 (q25–q75 4.488–5.658)2.4004none — median 5.361 (q25–q75 4.36–5.601)2.3827none — median 5.398 (q25–q75 4.301–5.803)2.3653none — median 5.177 (q25–q75 4.385–5.627)2.3482none — median 5.377 (q25–q75 4.263–5.763)2.3313none — median 5.34 (q25–q75 4.14–5.661)2.3147none — median 5.229 (q25–q75 4.158–5.675)2.2982none — median 5.348 (q25–q75 4.149–5.715)2.2821none — median 5.355 (q25–q75 4.127–5.642)2.2661none — median 5.267 (q25–q75 4.315–5.641)2.2504none — median 5.202 (q25–q75 4.258–5.737)2.2348none — median 5.294 (q25–q75 4.34–5.709)2.2195none — median 5.298 (q25–q75 4.26–5.556)2.2044none — median 5.337 (q25–q75 4.217–5.655)2.1895none — median 5.216 (q25–q75 4.115–5.773)2.1749none — median 5.378 (q25–q75 4.141–5.714)2.1604none — median 5.311 (q25–q75 4.134–5.599)2.146none — median 5.037 (q25–q75 4.223–5.553)2.1319none — median 5.341 (q25–q75 4.294–5.704)2.118none — median 5.358 (q25–q75 4.328–5.676)2.1042none — median 5.328 (q25–q75 4.178–5.662)2.0907none — median 5.135 (q25–q75 4.053–5.605)2.0773none — median 4.837 (q25–q75 4.274–5.296)2.064none — median 5.255 (q25–q75 4.111–5.666)2.051none — median 5.048 (q25–q75 4.288–5.536)2.0381none — median 5.109 (q25–q75 4.053–5.543)2.0253none — median 5.052 (q25–q75 4.032–5.582)2.0128none — median 5.087 (q25–q75 4.389–5.622)2.0003none — median 5.309 (q25–q75 4.18–5.885)

Sampling

Wavelengths2,223
Axis range2–14.01 none
Mean spacing0.00541 none
Gridirregular
Observations10

Signal & quality

Value range2.02 – 65.1
Mean range8.75 – 15.7
Mean level11.18
Area143.4
PTP6.982
Noise RMS0.039615
SNR2.8e+02
SNR dB5e+01 dB
Dynamic range6.98
Smoothness0.1223
Saturated0.0%
X-outliers3

Integrity & artefacts

NaN ratio0.00%
Inf count0
Zero ratio0.00%
Spike count15
Spike rate0.07%
Jump count84
Jump rate0.38%
Clip fraction0.01%

Shape & reference

Baseline slope2.427
Curvature RMS0.1239
D1 RMS0.10817
RMS to mean5.8316
RMS p9530.812
SAM to mean0.11325
SAM p950.34171
Affine offset p9550.78
Affine gain p95 Δ2.2581
Affine residual p951.7481
Xcorr lag p9550

Outliers & repeatability

PCA Q p95/median6.3
Hotelling T2 p95/median44
Mahalanobis H p95/median5.5
Repeat groups0

Dimensionality (PCA)

Effective rank1
PCs → 95% var1
PCs → 99% var1
Top-10 cum. var100.0%
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_reflectance11.1810.43moyenValeur 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_curve143.420.43moyenValeur 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_peak6.98190.00faibleVariabilité forteSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceamplitude.variance281.140.00faibleNormal ou hétérogèneMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSnoise.noise_rms0.0396150.07faibleStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRnoise.snr282.250.00faibleBon signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRnoise.bandwise_snr_min46.8570.05faibleZone 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_count150.07faibleSpectre propreCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateartefacts.spike_rate0.0675%0.07faibleNormalInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countartefacts.jump_count840.38faibleContinuSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateartefacts.jump_rate0.378%0.38faibleNormalCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionartefacts.clip_fraction0.009%0.01faibleNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopeshape.baseline_slope2.4270.43moyenDériveÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSshape.curvature_rms0.12391.00fortForme inhabituelleFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSshape.d1_rms0.108170.19faiblePlatBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)outliers.pca_q_ratio6.25790.78fortSpectre atypiqueArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²outliers.hotelling_t2_ratio43.6471.00fortExtrême mais cohérentVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis Houtliers.mahalanobis_h_ratio5.45911.00fortOutlier globalDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumreference.rms_to_mean_spectrum_p9530.8121.00fortSpectre 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_p950.341710.98fortForme différenteFond, 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_density0.015331.00fortSous-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_p9522.781.00fortSpectre 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_p950.710461.00fortSpectre atypiqueDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
X PCA score plot-3,000-2,000-1,00001,000-50050100150PC1 -2357 · PC2 -7.56PC1 293.2 · PC2 -15.57PC1 240.3 · PC2 -31.15PC1 338.7 · PC2 -39.42PC1 344.5 · PC2 -38.79PC1 242.5 · PC2 -26.48PC1 289.3 · PC2 -44.66PC1 209.5 · PC2 12.86PC1 238.2 · PC2 89PC1 161.1 · PC2 101.8PC1 (99.5%)PC2 (0.4%)10 scores
PCA explained variance0%25%50%75%100%PC1: 99.5% (cumulative 99.5%)1PC2: 0.4% (cumulative 99.9%)2PC3: 0.0% (cumulative 100.0%)3PC4: 0.0% (cumulative 100.0%)4PC5: 0.0% (cumulative 100.0%)5PC6: 0.0% (cumulative 100.0%)6PC7: 0.0% (cumulative 100.0%)7PC8: 0.0% (cumulative 100.0%)8PC9: 0.0% (cumulative 100.0%)9cumulative 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 1

material_name

target · categorical
material_name classesFlat Black PaintFlat Black Paint: 44Glossy Black PaintGlossy Black Paint: 22Metallic Silver PaintMetallic Silver Paint: 11Gloss Black PaintGloss Black Paint: 11Ultra Flat Black PaintUltra Flat Black Paint: 11Lamp (Ebony) Black PaintLamp (Ebony) Black Paint: 11
n / missing10 / 0
Classes6
Balance (entropy)0.9
Imbalance ratio4
Top classFlat Black Paint (4)

Metadata 3

ecostress_resource_id

metadata · categorical
n / missing10 / 0
Classes10
Balance (entropy)1
Imbalance ratio1
Top classmanmade.generalconstructionmaterial.paint.solid.tir.1246.jpl.nicolet.spectrum (1)

location

metadata · categorical
location classesThe Testor Corp., 620 Buckbee…The Testor Corp., 620 Buckbee St., Rockford, IL 61104: 44The Sherwin-Williams Co., Sol…The Sherwin-Williams Co., Solon, OH 44139: 33Design Master, P.O. Box 601, …Design Master, P.O. Box 601, Boulder, CO 80306: 22DecoArt, P.O. Box 386, Stanfo…DecoArt, P.O. Box 386, Stanford, KY 40084: 11
n / missing10 / 0
Classes4
Balance (entropy)0.92
Imbalance ratio4
Top classThe Testor Corp., 620 Buckbee St., Rockford, IL 61104 (4)

sample_description

metadata · categorical
n / missing10 / 0
Classes10
Balance (entropy)1
Imbalance ratio1
Top classMetallic silver spray enamel paintCollected by JPL Original ASTER Spectral Library name was jpl.nicolet.manmade.construction.paint.solid.1246.spectrum.txt (1)
Constant metadata 15
  • categorymanmade
  • material_typeManmade
  • instrumentjpl.nicolet
  • acquisition_modeHemispherical reflectance
  • signal_typeReflectance (percent)
  • axis_unitWavelength (micrometers)
  • axis_min2
  • axis_max14.01
  • n_points_original2,223
  • 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
  • notesnone

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

Alignment

Alignment levelobservation
Sample id availableyes
Samples10
Observations (total)10
Reps per samplemin 1 · mean 1 · max 1

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 hashd68f8da2a7a70c44…
Processing hash828af669cdfe6849…
Metadata hashf29fa0c6857ede86…

Load this dataset

# pip install nirs4all-datasets
from nirs4all_datasets import get

# private dataset — export requires a Dataverse token
ds = get("ecostress_manmade_tir_2223points", token="…")
X, y = ds.x(), ds.y()
print(X.shape, y.shape)

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