A simple correlation testing technique.
Fourfold Contingency Table
A test to see if two distinct variables are linked.
| A | A NOT |
-----------------------------
| B | 1 | 2 |
| B NOT | 3 | 4 |
If numbers are highest in...
REGION 1 - A and B are correlated
REGION 2 - A is correlated with the absence of B
REGION 3 - B is correlated with the absence of A
REGION 4 - Absence of A is correlated with absence of B
This is related to the Chi-squared test.
Source
Related
- Base Rates
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- Statistics Index