RegrCount

This class provides a statistical aggregate function that returns the number of non-null pairs of expressions used in a linear regression. It is typically used within database queries to count the data points available for regression analysis, returning an integer result with a default value of zero for empty result sets.

Attributes

Attribute	Type	Description
function	string = REGR_COUNT	The SQL aggregate function name used for calculating the number of input rows in a linear regression model.
output_field	[IntegerField](../../../../forms/fields/integerfield.md?sid=django_forms_fields_integerfield)	The model field type used to represent the resulting count, ensuring the value is handled as an integer.
empty_result_set_value	integer = 0	The default value returned by the aggregate when the result set contains no rows.

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Constructor

Signature

def RegrCount() - > null

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Signature

def RegrCount(
    y: string,
    x: string,
    **extra: dict
) - > null

Parameters

Name	Type	Description
y	string	The name of the dependent variable field
x	string	The name of the independent variable field
**extra	dict	Additional keyword arguments to be passed to the parent StatAggregate constructor

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