[R] princomp loading help

From: Wu, Hong-Sheng <wuh_at_wit.edu>
Date: Thu, 10 Jul 2008 19:00:33 -0400


Dear all,  

When I print out princomp's loading outputs, there is alwasy a section for "SS loading", "Proportional Var" and "Cumulative Var". Anybody can tell what they are for? Or anyone can direct me to some reference to read about?  

Any help will be highly appricated.  

Hongsheng

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