REGR_INTERCEPT

REGR_INTERCEPT returns the y-intercept of the regression line.

Syntax

REGR_INTERCEPT (expression1, expression2) OVER (window_clause)

Remarks

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The return value is a numeric data type and can be NULL.

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After the elimination of NULL expression1-expression2 pairs, REGR_INTERCEPT makes the following computation:

AVG (expression1) - REGR_SLOPE (expression1, expression2) * AVG (expression2)

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Without a window clause, REGR_INTERCEPT is a simple aggregate function.Refer Window Clause