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kandi X-RAY | dgrtwo.github.com Summary
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QUESTION
Currently, I try to find centers of the clusters in grouped data. By using sample data set and problem definitions I am able to create kmeans
cluster withing the each group. However when it comes to address each center of the cluster for given groups I don't know how to get them. https://rdrr.io/cran/broom/man/kmeans_tidiers.html
The sample data is taken from (with little modifications for add gr
column)
Sample data
ANSWER
Answered 2018-Mar-06 at 02:11kmeans
doesn't understand dplyr grouping, so it's just finding three overall centers instead of within each group. The preferred idiom at this point to do this is list columns of the input data, e.g.
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