dropunusedlevels

Drop unused factor levels in a data frame.

Implements the Cross-contribution Compensating Multiple
standard Normalization (CCMN) method described in Redestig et
al. (2009) Analytical Chemistry <doi:10.1021/ac901143w>
and other normalization algorithms.

Henning Redestig

crmn

CCMN and Other Normalization Methods for Metabolomics Data

dropunusedlevels function

<dl><dt>x</dt>
<dd>the data frame</dd></dl>

Arguments

Author

Drop unused levels — dropunusedlevels

<dl>

<dt>x</dt>
<dd>the data frame</dd>

</dl>

dropunusedlevels: Drop unused levels

Description

Usage

Arguments

Author

Examples