regr_sxx ( Y double precision, X double precision ) → double precisionComputes the “sum of squares” of the independent variable,
sum(X^2) - sum(X)^2/N.Functions / Aggregate Functions
Computes the “sum of squares” of the independent variable, sum(X^2) - sum(X)^2/N.
Reading PG 18current·documented in 21 of 27 versions, 8.2 to 20
regr_sxx ( Y double precision, X double precision ) → double precisionComputes the “sum of squares” of the independent variable,
sum(X^2) - sum(X)^2/N.Definition snapshot: b7bd9cda · English manual source