replace_with_nas: Convert blank, zero-length values to 'NA's for a variety of...

In OuhscBbmc/OuhscMunge: Data Manipulation Operations

Convert blank, zero-length values to NAs for a variety of data types.

Description

Elements of zero-length are converted to NAs. Can force coercion to an optionally-specified data type.

The function has two parts. First, it uses dplyr::na_if(x, ""). Second, it (optionally) coerces to the desired data type.

Usage

replace_with_nas(x, return_type = NULL)

Arguments

x	An array of values. It is temporarily coerced to a string. Required
return_type	Data type of returned vector. Optional

Details

If return_type is missing, returned data type will match input. Supports coercion to integer, numeric, character, logical, and Date vectors.

If return_type=logical, a logical vector will be returned if x contains only blanks and the characters "0" and "1".

Value

An array of values with NAs.

Note

Contact the package author if you'd like the function generalized so that additional values (other that "") are converted to NAs.

Author(s)

Will Beasley

Examples

library(OuhscMunge) #Load the package into the current R session.
replace_with_nas(c("a", "b", "", "d", ""))
replace_with_nas(c("a", "b", "", "d", ""), return_type="character")

replace_with_nas(c(1, 2, "", "", 5), return_type="character")
replace_with_nas(c(1, 2, "", "", 5)) #Equivalent to previous line.
replace_with_nas(c(1, 2, "", "", 5), return_type="integer")
replace_with_nas(c(1, 2, "", "", 5), return_type="numeric")

replace_with_nas(c("2011-02-03", "", "", "2011-02-24"), return_type="Date")
replace_with_nas(c("T", "", "", "F", "FALSE", "", "TRUE"), return_type="logical")
replace_with_nas(c("1", "", "", "0", "0"    , "", "1")   , return_type="logical")

OuhscBbmc/OuhscMunge documentation built on March 2, 2024, 11:44 a.m.