keep_required_columns

############################################################################
 Function to keep only certain variables

Basic checks needed with an individual level participant data from randomised controlled trial. This
checks files for existence, read access and individual columns for formats. The checks on format is currently implemented for gender and age formats.

Sheeja Manchira Krishnan

IPDFileCheck

Basic Functions to Check Readability, Consistency, and Content
of an Individual Participant Data File

keep_required_columns function

<dl><dt>variables</dt>
<dd>list of variables</dd>
<dt>the_data</dt>
<dd>data to be sub setting</dd></dl>

Arguments

############################################################################
 Function to keep only certain variables — keep_required_columns

<dl>

<dt>variables</dt>
<dd>list of variables</dd>


<dt>the_data</dt>
<dd>data to be sub setting</dd>

</dl>

keep_required_columns: ############################################################################ Function to keep only certain variables

Description

Usage

Value

Arguments

Examples