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regr_sxy()

Returns the population covariance of input values

Arguments & returns

Aggregate

Overload link	`y`	`x`	Returns
#01	`DOUBLE`	`DOUBLE`	`DOUBLE`

SELECT REGR_COUNT(y, x) * COVAR_POP(y, x)
FROM (VALUES
  (10, 10),
  (20, 20),
  (NULL, NULL)
) AS sample("x", "y");

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