Table 5. Measures of the degree of map correlation, depending on measurement
(after Bonham-Carter, 1994)
|
Nominal |
Ordinal |
Interval/Ratio |
Nominal |
Chi square, Kappa, Odds ratio, Contrast weight,
etc. |
Median by nominal class |
Mean by nominal class |
Ordinal |
|
Rank correlation coefficient |
Rank correlation coefficient |
Interval/Ratio |
|
|
Covariance, Correlation coefficient |