na2zero {popEpi}

Convert NA's to zero in data.table

Description

Given a data.table DT, replaces any NA values in the variables given in vars in DT. Takes a copy of the original data and returns the modified copy.

Usage

na2zero(DT, vars = NULL)

Arguments

DT

data.table object

vars

a character string vector of variables names in DT; if NULL, uses all variable names in DT

Details

Given a data.table object, converts NA values to numeric (double) zeros for all variables named in vars or all variables if vars = NULL.

Value

A copy of 'DT' where 'NA' values have been replaced with zero.

Author(s)

Joonas Miettinen