rodent

Counts of rodents by species and site

datasets

Computation and visualization of Taxicab Correspondence Analysis, Choulakian (2006) <doi:10.1007/s11336-004-1231-4>. Classical correspondence analysis (CA) is a statistical method to analyse 2-dimensional tables of positive numbers and is typically applied to contingency tables (Benzecri, J.-P. (1973). L'Analyse des Donnees. Volume II. L'Analyse des Correspondances. Paris, France: Dunod). Classical CA is based on the Euclidean distance. Taxicab CA is like classical CA but is based on the Taxicab or Manhattan distance. For some tables, Taxicab CA gives more informative results than classical CA.

Jacques Allard

TaxicabCA

Taxicab Correspondence Analysis

Vartan Choulakian

rodent function

A data frame of counts with 28 rows and 9 columns<ul>
<li>Columns: Rodent species</li>
<li>Rows: Location</li>
</ul>

rodent: Rodent species abundance

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Examples