detection-limit

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shahoismael / censoring-leakage-geochemistry

Code and derived results for "Spatial Cross-Validation Misses Censoring Leakage in Multi-Survey Geochemical Machine Learning": censoring audit, simulations, mask experiments and three validation protocols.

machine-learning cross-validation xgboost earth-science reproducibility compositional-data geochemistry censored-data data-leakage domain-shift spatial-cross-validation detection-limit leave-one-survey-out

Updated Oct 10, 2026
Python

shahoismael / geoshift-benchmark

Star

Benchmark for cross-survey evaluation of geochemical machine learning under detection-limit censoring: four harmonised surveys, censoring metadata, frozen validation folds and evaluation harness.

benchmark machine-learning cross-validation dataset reproducibility geochemistry censored-data data-leakage domain-generalization distribution-shift spatial-cross-validation earth-system-science detection-limit geochemical-mapping soil-geochemistry

Updated Oct 9, 2026
Python

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