R dpylr select_if with multiple conditions [closed]

Answer 1

use data.frame function:

x = data.frame(V1=c(1,2,3),V2=c(10,11,12),V3=c('a','b','c'),V4=c('x','y','z'),V5=c('l', 'm','n'))

then x %>% select_if(is.numeric) works.