FunctionsStatistical

covar_samp_matrix

Computes the sample covariance matrix across numeric input expressions in the group, dividing by N-1.

covar_samp_matrix(…) → String

Kind · aggregate

Computes the sample covariance matrix across numeric input expressions in the group, dividing by N-1.

Part of the Statistical family.

covar_samp

Computes sample covariance over paired numeric columns in the current batch and returns the same result for every output row.

covar_samp_stable

Computes sample covariance for two numeric expressions using a numerically stable online accumulator.