flybee217
我尝试用随机森林方法分析数据,VarselRF提取重要因子,但不知道为何每次得到不同结果,请大侠指教一下。下面是源程序
volatile<-read.table("C:/Users/Desktop/case/var-rp.txt",header = TRUE)
cl<-factor(c(rep("M",12), rep("R", 12)))
rf.vs1<-varSelRF(volatile.semi, cl, ntree = 2000, ntreeIterat = 500, vars.drop.frac = 0.2)
rf.vsb<-varSelRFBoot(volatile.semi, cl, bootnumber = 200, usingCluster = FALSE, srf=rf.vs1, whole.range = FALSE)
print(rf.vsb)
summary(rf.vsb, return.model.freqs = TRUE)
plot(rf.vsb)