How to find the correlation between continuous and categorical variables in R

问题

sorry, I edited my question.

In R, you can use the cor () function to find the correlation using only Pearson and Spearman correlation between Continuous variables.

Which function should I use to get correlation between categorical variable and categorical variable? and Which function should I use to get correlation between categorical variables and Continuous variable

Thank you in advance.

来源：https://stackoverflow.com/questions/41053431/how-to-find-the-correlation-between-continuous-and-categorical-variables-in-r