sub_matrices_bycol

substraction of two matrices by column

internal

Provides functions to apply spatial fuzzy unsupervised classification, visualize and interpret results. This method is well suited when the user wants to analyze data with a fuzzy clustering algorithm and to account for the spatial dimension of the dataset. In addition, indexes for estimating the spatial consistency and classification quality are proposed.
The methods were originally proposed in the field of brain imagery (seed Cai and al. 2007 <doi:10.1016/j.patcog.2006.07.011> and Zaho and al. 2013 <doi:10.1016/j.dsp.2012.09.016>) and recently applied in geography (see Gelb and Apparicio <doi:10.4000/cybergeo.36414>).

Jeremy Gelb

geocmeans

Implementing Methods for Spatial Fuzzy Unsupervised
Classification

Philippe Apparicio

sub_matrices_bycol function

<dl><dt>x</dt>
<dd>a matrix</dd>
<dt>y</dt>
<dd>a matrix with the same dimensions</dd></dl>

Arguments

substraction of two matrices by column — sub_matrices_bycol

<dl>

<dt>x</dt>
<dd>a matrix</dd>


<dt>y</dt>
<dd>a matrix with the same dimensions</dd>

</dl>

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sub_matrices_bycol: substraction of two matrices by column

Description

Usage

Value

Arguments