Scales a matrix, Y, to is standardised chi-square residuals \((o - e) / \sqrt{e}\) (given \(K_n\) and \(R_0\) metrics derived from an external matrix \(Y_0\)) so that further analysis can be unweighted.
scaleChi(Y, Kn, R0, eps = 1e-06)
the matrix of standardised chi-squared residuals of Y.
a matrix for which standardised chi-square residuals are to be calculated.
the column sums (K) of Y divided by sum(K).
row weights.
a tolerance.
Gavin L. Simpson, based on Matlab code by C.J.F. ter Braak and A.P. Schaffers.
Ter Braak, C.J.F and Schaffers, A.P. (2004) Co-Correspondence Analysis: a new ordination method to relate two community compositions. Ecology 85(3), 834--846