错误解决
Error in levels<-(*tmp*, value = if (nl == nL) as.character(labels) else paste0(labels, :
factor level [2] is duplicated
解决办法：更新R就好了
2023-10-12 09:22:28
错误解决
Error in levels<-(*tmp*, value = if (nl == nL) as.character(labels) else paste0(labels, :
factor level [2] is duplicated
解决办法：更新R就好了