Name
REGR_SXX — Auxiliary function used to compute various diagnostic statistics.
Synopsis
numeric
REGR_SXX
(
|
in expr1 any , |
in
expr2
any
); |
Description
REGR_SXX makes the following computation after eliminating NULL (expr1, expr2) pairs:
REGR_COUNT(expr1, expr2) * VAR_POP(expr2)
Parameters
expr1
Number expression.
expr2
Number expression.
Return Types
The function returns a value of type NUMERIC. If the function is applied to an empty set, then it returns null.