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FUNCTIONS / AGGREGATE FUNCTIONS

Computes the “sum of squares” of the independent variable, sum(X^2) - sum(X)^2/N.

Signatures & examples

regr_sxx ( Y double precision, X double precision ) → double precision
Computes the sum of squares of the independent variable, sum(X^2) - sum(X)^2/N.
Version history 2
  1. PG 12 → 13changed
  2. PG 9.6 → 10changed

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source