遥感探测小麦条锈病严重度的GBRT模型研究
金航,竞霞,高媛,刘良云

GBRT Model for Detecting the Severity of Wheat Stripe Rust by Remote Sensing
Hang Jin,Xia Jing,Yuan Gao,Liangyun Liu
表2 CART模型复杂度参数(CP)、相对误差(RELerror)及其交叉验证相对误差(Xerror
Table 2 CP, RELerror and Xerror of CART
nsplitCPRELerrorXerror
00.678 91911.063 38
10.143 4750.321 080 60.507 58
20.070 1930.177 605 90.460 05
30.043 1760.107 412 90.469 07
40.016 4670.064 2370.357 14
50.010 2150.031 303 30.349 4
60.009 330.021 088 30.359 14
70.003 4530.011 7580.402 98
80.002 9190.008 304 90.389 39