REGR_AVGX
Returns the DOUBLE PRECISION
average of the independent expression in an expression pair. REGR_AVGX
eliminates expression pairs where either expression in the pair is NULL
. If no rows remain, REGR_AVGX
returns NULL
.
Syntax
SELECT REGR_AVGX ( expression1, expression2 )
Parameters
expression1 |
The dependent DOUBLE PRECISION expression
|
expression2 |
The independent DOUBLE PRECISION expression
|
Example
=> SELECT REGR_AVGX (Annual_salary, Employee_age) FROM employee_dimension; REGR_AVGX ----------- 39.321 (1 row)