fp.dau1<-dau[dau$device == "FP"&dau$region_month == "2013-01",c("region_month","region_day","user_id","device")]
fp.dau1$is_assess <- 1
fp.dau1.cast<-dcast(fp.dau1,user_id ~ region_day,value.var = "is_assess",function(x) as.character(length(x)))
names(fp.dau1.cast)[-1]<-paste0("X",1:31,"day")
fp.dau1.cast<-merge(fp.dau1.cast,fp.mau1[,c("user_id","is_sp")],by.fp.dau1.cast = "user_id")
fit.logit<- step(glm(is_sp ~ . , data = fp.dau1.cast[,-1], family = binomial))
这段代码在R中运行到最后一段逻辑回归是报错,内容:Error in factorial(n) : 缺少参数"n",也没有缺省值,一直没有找到问题所在,麻烦大家帮忙找下问题,谢谢!!
section7-dau.zip
(237.42 KB)
本附件包括:- section7-dau.csv


雷达卡








京公网安备 11010802022788号







