Chi-square test on all pairs of columns
Perform a chi-square test for independence for all pairs of columns of a matrix.
chisq_colpairs(x)
x |
A matrix of positive integers. |
A matrix of size p x p, where p is the number of columns in
the input matrix x, containing the chi-square test
statistics for independence, applied to pairs of columns of
x. The diagonal of the result will be all NAs.
z <- matrix(sample(1:2, 500, replace=TRUE), ncol=5) chisq_colpairs(z)
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