mtapply

Modification of the tapply function to use with data.frames. Consider using aggregate()

Tools for assessing data quality, performing exploratory analysis, and
semi-automatic preprocessing of messy data with change tracking for integral dataset cleaning.

David Hervas

clickR

Semi-Automatic Preprocessing of Messy Data with Change Tracking
for Dataset Cleaning

David Hervas Marin

mtapply function

<dl><dt>x</dt>
<dd>A data.frame</dd>
<dt>group</dt>
<dd>Grouping variable</dd>
<dt>fun</dt>
<dd>Function to apply by group</dd></dl>

Arguments

Multiple tapply — mtapply

<dl>

<dt>x</dt>
<dd>A data.frame</dd>


<dt>group</dt>
<dd>Grouping variable</dd>


<dt>fun</dt>
<dd>Function to apply by group</dd>

</dl>

mtapply: Multiple tapply

Description

Usage

Arguments

Examples