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Coerces vectors to missing

Source: R/utils.R
as.na.Rd

Given a vector, convert it to missing (NA) values, where the class of the missing matches the input class. Currently supports character, logical, integer, factor, numeric, times (from chron), Date, POSIXct, POSIXlt, and zoo (from zoo), and haven labelled from haven.

Usage

as.na(x)

Arguments

x

A vector to convert to missing (NA)

Value

a vector the same length as the input with missing values of the same class

Examples

str(as.na(1L:5L))
#>  int [1:5] NA NA NA NA NA
str(as.na(rnorm(5)))
#>  num [1:5] NA NA NA NA NA
str(as.na(c(TRUE, FALSE)))
#>  logi [1:2] NA NA
str(as.na(as.Date("2017-01-01")))
#>  Date[1:1], format: NA