regr_r2 ( Y double precision, X double precision ) → double precisionComputes the square of the correlation coefficient.
Functions / Aggregate Functions
regr_r2
Read the PG 18 manualComputes the square of the correlation coefficient.
Reading PG 18current·documented in 21 of 27 versions, 8.2 to 20
Signatures & examples
Definition snapshot: b7bd9cda · English manual source