Table 2 Accuracy of the RF, including the kappa, OA, UA, and PA.

From: Machine learning algorithm for estimating karst rocky desertification in a peak-cluster depression basin in southwest Guangxi, China

Overall accuracy (OA)

Kappa

User’s accuracy (UA)

Producer’s accuracy (PA)

Run time

NKRD

LKRD

MKRD

SKRD

ESKRD

NKRD

LKRD

MKRD

SKRD

ESKRD

94.7%

0.92

100%

88.9%

96.8%

92.7%

92.9%

100%

80%

93.8%

97.4%

100%

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