getPureVariables

The method identifies indices of pure variables using the SIMPLISMA
algorithm.

Projection based methods for preprocessing, exploring and analysis of multivariate data used in chemometrics. S. Kucheryavskiy (2020) <doi:10.1016/j.chemolab.2020.103937>.

Sergey Kucheryavskiy

mdatools

Multivariate Data Analysis for Chemometrics

getPureVariables function

<dl><dt>D</dt>
<dd>matrix with the spectra</dd>
<dt>ncomp</dt>
<dd>number of pure components</dd>
<dt>purevars</dt>
<dd>user provided values gor pure variables (no calculation will be run in this case)</dd>
<dt>offset</dt>
<dd>offset (between 0 and 1) for calculation of parameter alpha</dd></dl>

Arguments

Identifies pure variables — getPureVariables

<dl>

<dt>D</dt>
<dd>matrix with the spectra</dd>


<dt>ncomp</dt>
<dd>number of pure components</dd>


<dt>purevars</dt>
<dd>user provided values gor pure variables (no calculation will be run in this case)</dd>


<dt>offset</dt>
<dd>offset (between 0 and 1) for calculation of parameter alpha</dd>

</dl>

getPureVariables: Identifies pure variables

Description

Usage

Value

Arguments