[R] How to check redundancy of variable and reduce data dimension

From: Bill Hyman <billhyman1_at_yahoo.com>
Date: Fri, 08 Apr 2011 09:35:20 -0700 (PDT)

Dear all,

Do you know how to check redundancy of variables and reduce the dimension in R? It seems PCA can do this. Is there any other better way to implement in R? Many thanks!


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