remove_na {mark}

Remove NA

Description

Remove NAs from a vector

Usage

remove_na(x)

## Default S3 method:
remove_na(x)

## S3 method for class 'list'
remove_na(x)

## S3 method for class 'factor'
remove_na(x)

## S3 method for class 'fact'
remove_na(x)

Arguments

x

A vector of values

Details

remove_na.factor will remove NA values as identified by the levels() or by the integer value of the level. factors are recreated with all NA values and, if present, the NA level removed.

Value

x without values where is.na(x) is TRUE For factors, a new factor (ordered if is.ordered(x))

Examples

remove_na(c(4, 1, 2, NA, 4, NA, 3, 2))

# removes based on levels
remove_na(fact(c("b", NA, "a", "c")))

# removes based on values
x <- as_ordered(c("b", "d", "a", "c"))
x[2:3] <- NA
str(remove_na(x))