Correlation between two constant variables using the different approaches
123929
What is the correlation if the standard deviation of one variable is 0?
130037
correlation between categorical variables
124337
Degrees of freedom in regression
68137
Independence and conditional independence between random variables
79138
Correlation between a nominal (IV) and a continuous (DV) variable
155274
Multicollinearity between categorical and continuous variable
119340
correlation with ordinal variable
52883
Correlation between OLS estimators for intercept and slope
104236
Factor analysis and regression
154912
Does correlation between variables in an interaction matter?
35219
How do I study the "correlation" between a continuous variable and a categorical variable?
37856
Covariance between sum of iid random variables and sum of indicator functions
49103
How do the Goodman-Kruskal gamma and the Kendall tau or Spearman rho correlations compare?
116996
How to choose between Pearson and Spearman correlation?
97292
Covariance of a variable and a linear combination of other variables
12288
Ratio of Gamma distributed variables with different parameters
31068
How to measure correlation between categorical variable?