Correlation between a categorical and a numerical variable
10782
Correlations with unordered categorical variables
56550
How do you estimate correlations between ordinal and binary data in SPSS?
34036
Positive correlation and negative regressor coefficient sign
11786
Simple effects of categorical interaction
38616
Clusering based on categorical variables?
5026
Can I use multiple regression when I have mixed categorical and continuous predictors?
147243
Modelling a binary response variable with a binary explanatory variable
16596
Correlation coefficient between a (non-dichotomous) nominal variable and a numeric (interval) or an ordinal variable
3989
Preprocess categorical variables with many values
37367
Cross-correlation significance in R
124391
Correlation with a constant
104675
heatmap-like plot, but for categorical variables
104756
Categorical ordinal data: which test is better?
13863
Is it advisable to drop certain levels of a categorical variable?
139609
What are the different types of codings available for categorical variables (in R) and when would you use them?
122557
Can covariates be categorial variables?
84321
Pearson correlation of data sets with possibly zero standard deviation?