Questions tagged [categorical-data]

Categorical (also called nominal) data can take on a limited number of possible values called categories. Categorical values "label", they do not "measure". Please use [ordinal-data] tag for discrete but ordered data types.

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Panel dataset with not consistent categorical variables across time - mapping

I am looking for any resources (journals papers, books, ...) which are connected with handling not consistent categorical variables across time in a panel dataset. Might you already hear about this ...