R: Replace missing values

replace_na {tidyr}

R Documentation

Replace missing values

Description

Replace missing values

Usage

replace_na(data, replace, ...)

Arguments

`data`	A data frame or vector.
`replace`	If `data` is a data frame, a named list giving the value to replace `NA` with for each column. If `data` is a vector, a single value used for replacement.
`...`	Additional arguments for methods. Currently unused.

Examples

library(dplyr)
df <- tibble(x = c(1, 2, NA), y = c("a", NA, "b"), z = list(1:5, NULL, 10:20))
df %>% replace_na(list(x = 0, y = "unknown"))
df %>% mutate(x = replace_na(x, 0))

# NULL are the list-col equivalent of NAs
df %>% replace_na(list(z = list(5)))

df$x %>% replace_na(0)
df$y %>% replace_na("unknown")

[Package tidyr version 0.8.1 Index]