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regr_slope()

Returns the slope of the linear regression line for non-NULL pairs in a group.

Arguments & returns

Aggregate

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

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

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