Recent content by rsetiadinata

  1. R

    How to compare categorical data for more than 2 groups?

    I'm trying to compare categorical data between 4 groups i.e : smoking history (yes or no) between 4 groups of cancer staging (stage I to IV) Some of the cells has 0 value in it (every person in stage I never smoke, while stage II has 5 smokers, etc) Can I still use Chi-squared test for this...