[Solved] R: Not meaningful for factors even though its data type is numeric [duplicate]
[ad_1] We can convert those factor columns to numeric library(dplyr) library(magrittr) mydata %<>% mutate_if(is.factor, funs(as.numeric(as.character(.)))) Or using base R i1 <- sapply(mydata, is.factor) mydata[i1] <- lapply(mydata[i1], function(x) as.numeric(as.character(x))) and then the code should work 2 [ad_2] solved R: Not meaningful for factors even though its data type is numeric [duplicate]