Correspondence analysis (CA) and nonsymmetric correspondence analysis are based on generalized singular value decomposition, and, in general, they are not equivalent. Taxicab correspondence analysis (TCA) is a <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$\hbox {L}_{1}$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <msub> <mtext>L</mtext> <mn>1</mn> </msub> </math> </EquationSource> </InlineEquation> variant of CA, and it is based on the generalized...</equationsource></equationsource></inlineequation>