Compute Standardized Residuals

`comp_std_residuals` computes the standardized residual matrix S, which is the basis for correspondence analysis and serves as input for singular value decomposition (SVD).

Usage

comp_std_residuals(mat)

Arguments

mat

A numerical matrix or coercible to one by `as.matrix()`. Should have row and column names.

Value

A named list with standardized residual matrix "S", grand total of the original matrix "tot" as well as row and column masses "rowm" and "colm" respectively.

Details

Calculates standardized residual matrix S from the proportion matrix P and the expected values E according to \(S = \frac{(P-E)}{sqrt(E)}\).