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ECOSTRESS manmade all axis ec3e1c20

ecostress · other

ECOSTRESS manmade all axis ec3e1c20. 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.
22
samples
536
wavelengths
1
sources
3
targets
27
metadata
other
family

Dataset property explorer

Mean profile risk0.52
Highest axisArtefacts locaux · 1.00
Diagnostics8
Sources profiled1
ECOSTRESS manmade all axis ec3e1c20 property profile0.250.50.751integritynoiseartefactsbaselinePCA outliersreferencerepeatabilitystructureECOSTRESS manmade all axis ec3e1c20 profileintegrity: 0.00noise: 0.01artefacts: 1.00baseline: 0.29PCA outliers: 0.89reference: 1.00repeatability: 0.00structure: 1.00ECOSTRESS manma…0 center · 1 outer ring · outward = stronger anomaly / heterogeneity signal

Profile axes

Intégrité0.00
Artefacts locaux1.00
Bruit0.01
Outliers PCA0.89
Distance à la référence1.00
Répétabilité0.00
Baseline / forme0.29
Structure multi-régimes1.00
Diagnostic hypotheses00.250.50.751hypothesis scoreSplice / raccord détecteursSplice / raccord détecteurs: 0.860.86Spectre hors domaine valideSpectre hors domaine valide: 0.700.70Signature VERA25-likeSignature VERA25-like: 0.690.69Erreur interpolation / réécha…Erreur interpolation / rééchantillonnage: 0.660.66Dataset multi-régimesDataset multi-régimes: 0.640.64Erreur calibration / référenc…Erreur calibration / référence blanche: 0.560.56Différence de sonde / géométr…Différence de sonde / géométrie: 0.550.55Fond différentFond différent: 0.510.51
DiagnosticScoreForceSignauxInterprétation probable
Splice / raccord détecteursX0.86forteSpike rate 1.00, Jump rate 1.00, RMS/SAM référence 1.00Rupture aux jonctions de détecteurs, calibration locale ou sonde différente.
Spectre hors domaine valideX0.70moyenneRMS/SAM référence 1.00, Structure PCA 1.00, Mahalanobis / T2 0.89Variété, espèce, lot ou condition différente mais physiquement plausible.
Signature VERA25-likeX0.69moyenneSpike rate 1.00, Jump rate 1.00, RMS/SAM référence 1.00Combinaison possible changement de sonde + splice, amplifiée par géométrie, fond ou calibration.
Erreur interpolation / rééchantillonnageX0.66moyenneSpike rate 1.00, Jump rate 1.00, SNR normal/élevé 1.00Artefacts numériques ou traitement spectral incorrect.
Dataset multi-régimesX0.64moyenneStructure PCA 1.00, RMS/SAM référence 1.00, Mahalanobis / T2 0.89Mélange de campagnes, opérateurs, lots, setups ou sous-populations spectrales.
Erreur calibration / référence blancheX0.56moyenneRMS/SAM référence 1.00, artefacts locaux 1.00, Mahalanobis / T2 0.89Décalage systématique entre campagnes, instruments ou référence blanche.
Différence de sonde / géométrieX0.55moyenneRMS/SAM référence 1.00, Mahalanobis / T2 0.89, PCA Q 0.59Modification de l'illumination, collecte, angle ou distance sonde-échantillon.
Fond différentX0.51moyenneRMS/SAM référence 1.00, Mahalanobis / T2 0.89, PCA Q 0.59Effet systématique du support, blanc/noir, transflectance ou environnement de mesure.

Spectral sources

manmade all

X · other · source instruments vary by sample
manmade all spectra0255075100051015q05-q95 envelopeq25-q75 envelopemedian spectrummedianq25–q75q05–q95wavelength / none0.3none — median 5.51 (q25–q75 3.272–6.009)0.308none — median 5.48 (q25–q75 3.324–6.024)0.316none — median 5.45 (q25–q75 3.395–6.22)0.324none — median 5.405 (q25–q75 3.488–6.905)0.33none — median 5.425 (q25–q75 3.536–7.5)0.338none — median 5.455 (q25–q75 3.6–7.718)0.346none — median 5.51 (q25–q75 3.62–7.945)0.354none — median 5.585 (q25–q75 3.658–7.94)0.362none — median 5.68 (q25–q75 3.69–7.895)0.37none — median 5.891 (q25–q75 3.733–8.038)0.376none — median 6.265 (q25–q75 3.762–8.185)0.384none — median 6.525 (q25–q75 3.815–8.599)0.392none — median 7.025 (q25–q75 3.865–9.214)0.4none — median 7.475 (q25–q75 3.917–10.21)0.408none — median 7.785 (q25–q75 3.975–10.52)0.416none — median 8.07 (q25–q75 4.025–10.81)0.424none — median 8.385 (q25–q75 4.093–11.1)0.43none — median 8.71 (q25–q75 4.142–11.31)0.438none — median 9.29 (q25–q75 4.212–11.64)0.446none — median 9.605 (q25–q75 4.232–12.09)0.454none — median 9.695 (q25–q75 4.257–12.37)0.462none — median 9.79 (q25–q75 4.272–12.55)0.47none — median 9.885 (q25–q75 4.29–12.7)0.478none — median 9.995 (q25–q75 4.3–12.91)0.484none — median 10.1 (q25–q75 4.312–13.09)0.492none — median 10.4 (q25–q75 4.438–13.5)0.5none — median 10.82 (q25–q75 4.572–14.54)0.508none — median 11.25 (q25–q75 4.71–16.01)0.516none — median 11.68 (q25–q75 4.86–17.97)0.524none — median 12.11 (q25–q75 5.062–20.07)0.53none — median 12.46 (q25–q75 5.272–21.71)0.538none — median 13.01 (q25–q75 5.675–23.16)0.546none — median 13.76 (q25–q75 6.275–23.06)0.554none — median 14.72 (q25–q75 7.095–21.21)0.562none — median 15.31 (q25–q75 7.78–18.55)0.57none — median 15.66 (q25–q75 8.177–20.2)0.578none — median 14.22 (q25–q75 8.678–22.81)0.584none — median 13.63 (q25–q75 9–23.38)0.592none — median 14.02 (q25–q75 8.932–23.44)0.6none — median 14.81 (q25–q75 8.75–23.44)0.608none — median 15.34 (q25–q75 8.628–23.41)0.616none — median 15.42 (q25–q75 8.723–23.35)0.624none — median 15.47 (q25–q75 8.798–23.26)0.632none — median 15.52 (q25–q75 8.833–23.17)0.638none — median 15.53 (q25–q75 8.867–23.11)0.646none — median 15.54 (q25–q75 8.942–23.02)0.654none — median 15.55 (q25–q75 9.047–22.94)0.662none — median 15.54 (q25–q75 9.172–22.71)0.67none — median 15.54 (q25–q75 9.217–22.37)0.678none — median 15.56 (q25–q75 9.182–22.43)0.684none — median 15.59 (q25–q75 9.16–22.43)0.692none — median 15.7 (q25–q75 9.118–22.59)0.7none — median 15.88 (q25–q75 9.07–23.21)0.708none — median 16.01 (q25–q75 9.095–23.95)0.716none — median 16.1 (q25–q75 9.28–24.68)0.724none — median 16.16 (q25–q75 9.6–25.17)0.732none — median 16.2 (q25–q75 10.08–25.62)0.738none — median 16.22 (q25–q75 10.67–25.91)0.746none — median 19.79 (q25–q75 11.11–26.24)0.754none — median 23.57 (q25–q75 11.2–27.83)0.762none — median 23.4 (q25–q75 11.25–36.66)0.77none — median 23.2 (q25–q75 11.26–42.76)0.778none — median 23.01 (q25–q75 11.24–44.5)0.784none — median 22.9 (q25–q75 11.19–45.03)0.792none — median 22.89 (q25–q75 11.09–45.57)0.8none — median 22.87 (q25–q75 10.96–46.03)0.88none — median 22.12 (q25–q75 10.38–43.66)0.96none — median 21.34 (q25–q75 10.16–44.88)1.04none — median 22.96 (q25–q75 9.913–49.5)1.12none — median 27.34 (q25–q75 10.97–56.34)1.18none — median 30.98 (q25–q75 13.09–60.45)1.26none — median 33.02 (q25–q75 14.62–63.49)1.34none — median 33.85 (q25–q75 14.62–64.31)1.42none — median 34.15 (q25–q75 14.01–60.26)1.5none — median 34.59 (q25–q75 13.71–56.27)1.58none — median 34.8 (q25–q75 13.36–58.87)1.66none — median 34.95 (q25–q75 13.07–62.39)1.72none — median 34.95 (q25–q75 12.83–56.55)1.8none — median 34.67 (q25–q75 12.42–58.79)1.88none — median 34.23 (q25–q75 12.05–57.28)1.96none — median 33.61 (q25–q75 11.47–52.69)2.04none — median 33.86 (q25–q75 11.59–55.44)2.12none — median 34.18 (q25–q75 11.53–55.94)2.18none — median 34.51 (q25–q75 11.33–55.59)2.26none — median 32.17 (q25–q75 11.09–52.25)2.34none — median 26.3 (q25–q75 10.5–50.22)2.42none — median 27.93 (q25–q75 10.34–48.63)2.5none — median 23.15 (q25–q75 10.06–46.55)2.58none — median 26.29 (q25–q75 9.968–47.48)2.66none — median 25.74 (q25–q75 9.4–44.49)2.72none — median 16.73 (q25–q75 6.42–30.44)2.8none — median 5.747 (q25–q75 4.53–14.39)2.88none — median 5.154 (q25–q75 4.436–12.75)2.96none — median 5.227 (q25–q75 4.216–13.98)3.04none — median 5.289 (q25–q75 4.466–16.19)3.12none — median 5.845 (q25–q75 4.73–16.8)3.18none — median 6.276 (q25–q75 5.09–18.92)3.26none — median 7.125 (q25–q75 5.462–23.07)3.34none — median 7.405 (q25–q75 5.301–25.81)3.42none — median 5.346 (q25–q75 4.894–27.12)3.5none — median 5.652 (q25–q75 5.081–29.1)3.58none — median 8.783 (q25–q75 5.806–34.6)3.66none — median 9.374 (q25–q75 6.116–36.62)3.72none — median 9.877 (q25–q75 6.241–37.17)3.8none — median 11 (q25–q75 6.357–38.22)3.88none — median 11.99 (q25–q75 6.608–38.04)3.96none — median 12.82 (q25–q75 6.771–38)4.04none — median 14.36 (q25–q75 7.054–37.44)4.12none — median 15.94 (q25–q75 7.32–37.55)4.2none — median 17.13 (q25–q75 7.4–35.09)4.26none — median 16.05 (q25–q75 7.227–33.92)4.34none — median 17.72 (q25–q75 7.514–34.19)4.42none — median 17.22 (q25–q75 7.192–33.36)4.5none — median 16.72 (q25–q75 6.868–32.69)4.58none — median 15.76 (q25–q75 6.715–32.72)4.66none — median 15.52 (q25–q75 6.729–32.04)4.72none — median 15.14 (q25–q75 6.815–31.79)4.8none — median 14.4 (q25–q75 6.791–31.51)4.88none — median 14.05 (q25–q75 6.651–31.14)4.96none — median 11.9 (q25–q75 6.49–32.23)5.2none — median 8.991 (q25–q75 6.464–34.57)5.6none — median 6.769 (q25–q75 4.998–14.23)6none — median 5.775 (q25–q75 3.639–9.021)6.3none — median 5.247 (q25–q75 3.235–10.33)6.7none — median 4.859 (q25–q75 3.113–9.871)7.1none — median 4.2 (q25–q75 2.648–7.563)7.5none — median 4.099 (q25–q75 2.595–7.707)7.9none — median 4.372 (q25–q75 2.821–8.049)8.3none — median 4.674 (q25–q75 3.903–8.572)8.7none — median 5.122 (q25–q75 3.753–8.306)9none — median 6.722 (q25–q75 4.703–9.771)9.4none — median 7.389 (q25–q75 6.18–9.23)9.8none — median 6.618 (q25–q75 5.627–8.021)10.2none — median 5.722 (q25–q75 4.579–8.603)10.6none — median 5.554 (q25–q75 4.175–8.892)11none — median 4.691 (q25–q75 3.947–8.127)11.3none — median 4.839 (q25–q75 3.611–9.043)11.7none — median 4.265 (q25–q75 2.912–9.851)12.1none — median 3.523 (q25–q75 2.632–8.906)12.5none — median 3.526 (q25–q75 2.938–5.039)

Sampling

Wavelengths536
Axis range0.3–12.5 none
Mean spacing0.0228 none
Gridirregular
Observations22

Signal & quality

Value range0.465 – 99.7
Mean range7.37 – 39.2
Mean level21.06
Area250.1
PTP31.78
Noise RMS0.01268
SNR1.7e+03
SNR dB6e+01 dB
Dynamic range31.8
Smoothness0.5563
Saturated0.0%
X-outliers7

Integrity & artefacts

NaN ratio0.00%
Inf count0
Zero ratio0.00%
Spike count1,782
Spike rate15.17%
Jump count828
Jump rate7.03%
Clip fraction0.02%

Shape & reference

Baseline slope-0.88345
Curvature RMS0.43295
D1 RMS0.60431
RMS to mean15.166
RMS p9547.499
SAM to mean0.38086
SAM p950.54892
Affine offset p9523.231
Affine gain p95 Δ1.2355
Affine residual p9526.23
Xcorr lag p9550

Outliers & repeatability

PCA Q p95/median4.7
Hotelling T2 p95/median7.2
Mahalanobis H p95/median2.7
Repeat groups0

Dimensionality (PCA)

Effective rank2.7
PCs → 95% var4
PCs → 99% var6
Top-10 cum. var99.9%
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_reflectance21.0570.29faibleTrop sombreFond, géométriemean(X finite)alert reuses baseline/shape drift because absolute reflectance ranges are technology-dependent
Amplitude globaleArea under curveamplitude.area_under_curve250.150.29faibleNormalDistance 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_peak31.7830.00faibleVariabilité forteSaturationmax(mean_spectrum) - min(mean_spectrum)alert increases when dynamic range is abnormally flat
Amplitude globaleVarianceamplitude.variance528.320.00faibleNormal ou hétérogèneMauvais contactvar(X finite)alert increases when variance/dynamic range is abnormally flat
BruitNoise RMSnoise.noise_rms0.012680.01faibleStableLampe, détecteurmedian MAD(second derivative) * 1.4826 / sqrt(6)alert = noise_rms / signal_scale, saturated at 5%
BruitSNRnoise.snr1660.70.00faibleBon signalAcquisitionmean(abs(X)) / noise_rmsalert decreases with SNR dB; >=40 dB is treated as low alert
BruitBandwise SNRnoise.bandwise_snr_min30.990.15faibleZone 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_count1,7821.00fortArtefactsCosmic rays, splicecount robust outliers in second derivativealert follows spike_rate, saturated at 1%
Artefacts locauxSpike rateartefacts.spike_rate15.2%1.00fortSpectre suspectInterpolationspike_count / (n_samples * (n_features - 2))alert = min(1, spike_rate / 0.01)
Artefacts locauxJump countartefacts.jump_count8281.00fortRaccord détecteurSplicecount robust outliers in first derivativealert follows jump_rate, saturated at 1%
Artefacts locauxJump rateartefacts.jump_rate7.03%1.00fortProblème spectralCalibrationjump_count / (n_samples * (n_features - 1))alert = min(1, jump_rate / 0.01)
Artefacts locauxClip fractionartefacts.clip_fraction0.017%0.02faibleNormalDétecteur saturéfraction of finite cells equal to repeated min/max extremaalert = min(1, clip_fraction / 0.01)
Forme spectraleBaseline slopeshape.baseline_slope-0.883450.06faibleStableÉclairementlinear slope of mean_spectrum over normalized axisalert = abs(slope / signal_scale), saturated at 0.5
Forme spectraleCurvature RMSshape.curvature_rms0.432951.00fortForme inhabituelleFond, splicemedian RMS(second derivative per spectrum)alert = curvature_rms / signal_scale, saturated at 1%
Forme spectraleD1 RMSshape.d1_rms0.604310.38faiblePlatBiologie ou artefactmedian RMS(first derivative per spectrum)alert = d1_rms / signal_scale, saturated at 5%
Outliers multivariésPCA Q (SPE)outliers.pca_q_ratio4.73030.59moyenSpectre atypiqueArtefact, mélangep95(Q/SPE residual) / median(Q/SPE residual)alert = min(1, pca_q_ratio / 8)
Outliers multivariésHotelling T²outliers.hotelling_t2_ratio7.15240.89fortExtrême mais cohérentVariabilité naturellep95(Hotelling T2) / median(Hotelling T2)alert = min(1, hotelling_t2_ratio / 8)
Outliers multivariésMahalanobis Houtliers.mahalanobis_h_ratio2.67350.67moyenOutlier globalDomaine différentp95(sqrt(T2)) / median(sqrt(T2))alert = min(1, mahalanobis_h_ratio / 4)
Comparaison à référenceRMS to mean spectrumreference.rms_to_mean_spectrum_p9547.4991.00fortSpectre 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_p950.548921.00fortForme 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_density0.00428481.00fortSous-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_p954.06641.00fortSpectre 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_p950.668871.00fortSpectre atypiqueDiverses causesp95 IsolationForest anomaly score on PCA scoresalert follows structure complexity; raw score is implementation-dependent
X PCA score plot-50005001,0001,500-750-500-2500250500PC1 -20.86 · PC2 -9.604PC1 9.442 · PC2 -61.97PC1 38.75 · PC2 -72.46PC1 -354.2 · PC2 179.5PC1 267.3 · PC2 -44.76PC1 94.42 · PC2 -130.3PC1 -49.98 · PC2 -261.2PC1 -69.38 · PC2 -236.3PC1 204.2 · PC2 -635PC1 -351.6 · PC2 122.9PC1 1177 · PC2 112.2PC1 -331.7 · PC2 108.3PC1 379.4 · PC2 111.3PC1 60.11 · PC2 74.13PC1 -292.5 · PC2 34.38PC1 1060 · PC2 277.4PC1 -87.67 · PC2 -95.33PC1 -426.4 · PC2 166.6PC1 -378 · PC2 164.6PC1 -374.6 · PC2 139.6PC1 -284.4 · PC2 15.77PC1 -270 · PC2 40.31PC1 (71.1%)PC2 (14.9%)22 scores
PCA explained variance0%25%50%75%100%PC1: 71.1% (cumulative 71.1%)1PC2: 14.9% (cumulative 86.0%)2PC3: 7.0% (cumulative 93.0%)3PC4: 3.2% (cumulative 96.2%)4PC5: 2.0% (cumulative 98.2%)5PC6: 1.1% (cumulative 99.3%)6PC7: 0.3% (cumulative 99.6%)7PC8: 0.2% (cumulative 99.8%)8PC9: 0.1% (cumulative 99.9%)9PC10: 0.0% (cumulative 99.9%)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 classesCopper MetalCopper Metal: 33Olive green gloss paintOlive green gloss paint: 22Olive green paintOlive green paint: 22Galvanized Steel MetalGalvanized Steel Metal: 22Black tar paperBlack tar paper: 22Red smooth-faced BrickRed smooth-faced Brick: 11Weathered Red BrickWeathered Red Brick: 11Bare Red BrickBare Red Brick: 11Cinders, ashenCinders, ashen: 11Pine WoodPine Wood: 11+6 more+6 more: 66
n / missing22 / 0
Classes16
Balance (entropy)0.97
Imbalance ratio3
Top classCopper Metal (3)

class_label

target · categorical
class_label classesRoofing MaterialRoofing Material: 1212General Construction MaterialGeneral Construction Material: 99RoadRoad: 11
n / missing22 / 0
Classes3
Balance (entropy)0.76
Imbalance ratio12
Top classRoofing Material (12)

subclass

target · categorical
subclass classesMetalMetal: 77PaintPaint: 44BrickBrick: 33Roofing PaperRoofing Paper: 22ShingleShingle: 22CinderCinder: 11WoodWood: 11Paving AsphaltPaving Asphalt: 11TileTile: 11
n / missing22 / 0
Classes9
Balance (entropy)0.88
Imbalance ratio7
Top classMetal (7)

Metadata 2

ecostress_resource_id

metadata · categorical
n / missing22 / 0
Classes22
Balance (entropy)1
Imbalance ratio1
Top classmanmade.generalconstructionmaterial.brick.solid.all.0097uuubrk.jhu.becknic.spectrum (1)

sample_description

metadata · categorical
n / missing22 / 0
Classes22
Balance (entropy)1
Imbalance ratio1
Top classSmooth-faced red building construction brick. Original ASTER Spectral Library name was jhu.becknic.manmade.construction.brick.solid.0097uuu.spectrum.txt (1)
Constant metadata 16
  • categorymanmade
  • material_typemanmade
  • locationSpectra obtained from the Noncoventional Exploitation FactorsData System of the National Photographic Interpretation Center.
  • instrumentjhu.becknic
  • acquisition_modeDirectional (10 Degree) Hemispherical Reflectance
  • signal_typeReflectance (percent)
  • axis_unitWavelength (micrometers)
  • axis_min0.3
  • axis_max12.5
  • n_points_original536
  • 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
Samples22
Observations (total)22
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 hashc43e9a1ac0d93cb0…
Processing hashedf77e4d4dfb8e8e…
Metadata hashe1caa6a149385be2…

Load this dataset

# pip install nirs4all-datasets
from nirs4all_datasets import get

# private dataset — export requires a Dataverse token
ds = get("ecostress_manmade_all_536points", token="…")
X, y = ds.x(), ds.y()
print(X.shape, y.shape)

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