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There is a task that doesn't appear to make much sense to me in a textbook. I have a dataset of categorical variables (the features and target are categorical) . I am asked to determine what are the most important variables that explain the target variable and whether they are statistically significant. I have always thought that variable ranking can only be achieved by applying a supervised learning algorithm such as logistic regression or random forests, boosting etc but that is explicitly not allowed in this task. How can I otherwise do this?

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  • $\begingroup$ PCA? maybe you can check the singolar valuees and those are supposed to be the must relevant feature $\endgroup$ Jul 2 at 16:16

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