conver_counts=function(x){
x=ifelse(x>0,1,0)
x=factor(x,levels=c(0,1),labels=c(""No"",""Yes""))
return(x)
}
运行时出现：
Error: unexpected symbol in "conver_counts=function(x){x=ifelse(x>0,1,0);x=factor(x,levels=c(0,1),labels=c(""No"

这个应该怎么解决？