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cramersVBiasCorrected

Cramer's V is a measure of association between two columns in a table. The result of the cramersV function ranges from 0 (corresponding to no association between the variables) to 1 and can reach 1 only when each value is completely determined by the other. The function can be heavily biased, so this version of Cramer's V uses the bias correction.

Syntax

Parameters

  • column1: first column to be compared.
  • column2: second column to be compared.

Returned value

  • a value between 0 (corresponding to no association between the columns' values) to 1 (complete association).

Type: always Float64.

Example

The following two columns being compared below have a small association with each other. Notice the result of cramersVBiasCorrected is smaller than the result of cramersV:

Query:

Result: