Error: x must be atomic for 'sort.list'

Question

This is weird. I get this error

Error in sort.list(y) : \'x\' must be atomic for \'sort.list\'
Have you called \'sort\' on a list?

Answer 1

I solved it by unlisting cc2 unli <- unlist(cc2) then converted it to df df<-as.data.frame(cc2)