Review
Open access
Aug 2026
Illusions of Accuracy: Widespread Data Leakage Distorts Machine Learning Results in Biochar Research
To ensure methodological rigour and reliable generalisation, biochar ML research must adopt grouped or study‐level data‐splitting strategies, maintain strict separation of preprocessing steps, and incorporate hierarchical or domain‐aware validation frameworks.
H. Jang, Wartini Ng, Song-Chao Chen et al.
· GCB Bioenergy · 0 citations