How to combine two columns of factors into one column without changing the factor levels into number [duplicate]

Answer 1

You can now do this easily with fct_c() from the forcats package.

dataset1 <- data.frame(Number = c(1,2), Student = factor(c('Chris','Sarah')))
dataset2 <- data.frame(Number = c(1,2), Student = factor(c('Matt','Keith')))

library(forcats)
fct_c(list(dataset1[ ,2], dataset2[ ,2]))

# [1] Chris Sarah Matt  Keith
# Levels: Chris Sarah Keith Matt