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Correlation methods used for variable pairs by data type
| Correlation Type | Binary | Factor | Numeric | Ordered factor |
|---|---|---|---|---|
| Binary | Tetrachoric | |||
| Factor | Polychoric | Cramer's V | ||
| Numeric | Pearson | Polychoric | Spearman | |
| Ordered Factor | Polychoric | Polychoric | Polychoric | Polychoric |
