REGR_SYY

Returns the sum of squares of the difference between the dependent expression (expression1) and its average.

That is, REGR_SYY returns: ∑[(expression1 - average(expression1)(expression1 - average(expression1)]

The return value is of type DOUBLE PRECISION. REGR_SYY eliminates expression pairs where either expression in the pair is NULL. If no rows remain, REGR_SYY returns NULL.

Syntax

SELECT REGR_SYY ( expression1, expression2 )

Parameters

expression1

The dependent DOUBLE PRECISION expression

expression2

The independent DOUBLE PRECISION expression

Examples

=> SELECT REGR_SYY (Annual_salary, Employee_age) FROM employee_dimension;
     REGR_SYY
------------------
 69956728794707.2
(1 row)