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postgres.aggregates.CovarPop

class CovarPop(y, x, sample=False) [source]

Returns the population covariance as a float, or None if there aren’t any matching rows.

Has one optional argument:

sample: By default CovarPop returns the general population covariance. However, if sample=True, the return value will be the sample population covariance.

Links:

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

doc_Django

2016-10-09 18:39:14

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