Table 4 Performance metrics of machine learning models. MAE and uncertainty are reported on the original moisture scale (percentage points) using LOOCV predictions..

From: Development of a bench system with capacitive sensor, sample compression, and TinyML for iron ore moisture measurement

Model

MSE

MAE

R²

Uncertainty

MLR

0.0826

0.2058

0.5568

±0.58

DT

0.0302

0.1241

0.8211

±0.35

RF5

0.0288

0.1308

0.8266

±0.34

RF10

0.0318

0.1283

0.8221

±0.36

RF15

0.0283

0.1301

0.8464

±0.34

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