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I have a dataset contains both numerical and non-numerical columns. I want to use PCA, is there any way to handle both?

sherek_66
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    PCA is defined for real-valued data, but there are various methods for generalizing it to other data types. Many have been covered on this site. What type of data do you have? – user20160 Aug 21 '18 at 16:15
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    Perhaps see https://stats.stackexchange.com/questions/5774/can-principal-component-analysis-be-applied-to-datasets-containing-a-mix-of-cont/5777#5777 which may help you. – mdewey Aug 21 '18 at 16:52

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