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postgres.aggregates.RegrSXX

class RegrSXX(y, x) [source]

Returns sum(x^2) - sum(x)^2/N (“sum of squares” of the independent variable) as a float, or None if there aren’t any matching rows.

Links:

https://docs.djangoproject.com/en/1.10/ref/contrib/postgres/aggregates/#django.contrib.postgres.aggregates.RegrSXX

doc_Django

2016-10-09 18:39:15

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