<p>It seems to me that this will lead to potential problems because:</p>

<p>1 - it might encourage people to ask questions about set theory which are better on another site</p>

<p>2 - the proposed scope is too broad as the analysis of groups of categorical variables might cover many different techniques like item response theory, various forms of principal component analysis, logistic regression, log-linear models, latent class analysis, ...</p>
