title: Is there a Pair-Wise PostHoc Comparisons for the Chi-Square Test in R?
body: <p>I am wondering if there exists in R a package/function to perform the: "Post Hoc Pair-Wise Comparisons for the Chi-Square Test of Homogeneity of Proportions" (or an equivalent of it) Which is described here: 
  <a href="http://epm.sagepub.com/cgi/content/abstract/53/4/951" rel="nofollow noreferrer">http://epm.sagepub.com/cgi/content/abstract/53/4/951</a></p>
  
  <p>My situation is of just making a chi test, on a 2 by X matrix. I found a difference, but I want to know which of the columns is "responsible" for the difference.</p>
  
  <p>Thanks, 
  Tal</p>