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Table 5 The R2 and RMSE of simulating and verifying data sets for the four machine learning algorithms

From: Improving the prediction performance of leaf water content by coupling multi-source data with machine learning in rice (Oryza sativa L.)

Algorithm

Simulating data set

Verification data set

RS2

RMSES

RV2

RMSEV

DT

0.80

0.01

0.77

0.02

RF

0.85

0.01

0.78

0.02

KNN

0.80

0.01

0.75

0.02

GBDT

0.93

0.01

0.86

0.01

  1. RS2: determination coefficient of simulating data set; RMSES: root mean square error of simulating data set; RV2: determination coefficient of verification data set; RMSEV: root mean square error of verification data set