</p>
<p>> data(dietox)<br />
> dx<-subset(dietox,Time==12)<br />
> summaryBy(Weight+Feed~Evit+Cu,data=dx,FUN=c(mean,var,length))<br />
报错：
Error in FUN(X[[1L]], ...) : could not find function "currFUN"</p>
求问怎么解决？
could not find function"currFUN"
报错：
Error in FUN(X[[1L]], ...) : could not find function "currFUN"</p>