modify_or_add_row

Modify a value in a row of a data frame based on its value in another column.
If the value is not found, a new row is added.

internal

Create PX-files from scratch or read and modify existing ones.
Includes a function for every PX keyword, making metadata manipulation
simple and human-readable.

Johan Ejstrud

pxmake

Make PX-Files in R

Lars Pedersen 

Statistics Greenland 

modify_or_add_row function

<dl><dt>df</dt>
<dd>Data frame</dd>
<dt>lookup_column</dt>
<dd>Column to look up</dd>
<dt>lookup_column_values</dt>
<dd>Values to look up</dd>
<dt>modify_column</dt>
<dd>Column to modify</dd>
<dt>new_value</dt>
<dd>New value to modify/add to modify_column</dd></dl>

Arguments

Add or modify value — modify_or_add_row

<dl>

<dt>df</dt>
<dd>Data frame</dd>


<dt>lookup_column</dt>
<dd>Column to look up</dd>


<dt>lookup_column_values</dt>
<dd>Values to look up</dd>


<dt>modify_column</dt>
<dd>Column to modify</dd>


<dt>new_value</dt>
<dd>New value to modify/add to modify_column</dd>

</dl>

modify_or_add_row: Add or modify value

Description

Usage

Value

Arguments