How do I replace NA values with zeros in an R dataframe?

Question

I have a data frame and some columns have NA values.

How do I replace these NA values with zeroes?

Answer 1

An easy way to write it is with if_na from hablar:

library(dplyr)
library(hablar)

df <- tibble(a = c(1, 2, 3, NA, 5, 6, 8))

df %>% 
  mutate(a = if_na(a, 0))

which returns:

      a
  
1     1
2     2
3     3
4     0
5     5
6     6
7     8