NA + NA = 0 r code example
Example 1: r replace na with 0
d[is.na(d)] <- 0
Example 2: replace na with 0 in R
library(dplyr)
#Replacing missing values with 0 in columns 'x' and 'y' of the tibble dataframe 'df'
df %>%
replace_na(list(x = 0, y = 0))