classification nominal/ordinal data

dan76dan76 Member Posts: 6 Contributor II
edited November 2018 in Help

i'm still very new on RM and need some advice ::).

i have data from a survey. about 50.000cases and 30 attributes. my target is to look for pattern in this data. I think i have to use unsupervised techniques such as clustering.
As i know, kmeans needs numerical attributes for clustering, but my data consists of nominal and ordinal and there is no distance.
Thanks for help and sry abot this worse english.



  • steffensteffen Member Posts: 347 Maven

    As a short suggestion:
    Try the operators KMedoids or AgglomerativeClustering. These provide more distance measures to choose from.



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