How to substitute NA by 0 in 20 columns?

Question

I want to substitute NA by 0 in 20 columns. I found this approach for 2 columns, however I guess it\'s not optimal if the number of columns is 20. Is there any alternative a

Answer 1

Here is a tidyverse way to replace NA with different values based on the data type of the column.

library(tidyverse)

dataset %>% mutate_if(is.numeric, replace_na, 0) %>%  
    mutate_if(is.character, replace_na, "")