[18661] in s-news-athena
[S] Principal components Analysis
daemon@ATHENA.MIT.EDU (Alex Nash)
Mon Jul 19 02:00:54 1999
Message-Id: <3.0.3.32.19990719155513.0074fff0@203.108.87.193>
Date: Mon, 19 Jul 1999 15:55:13 +1000
To: s-news@wubios.wustl.edu
From: Alex Nash <alexander@copper.intec.com.au>
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Hi all,
I am trying to look for a relation bewteen one of the varibles in our
chemical process and some non-independant upstream variables. As I
understand it, the principal components express the "cloud" of data using
orthogonal vectors, with the objective of expressing most of the variance
in as few a vectors as possible.
I am not a statistician by trade, so I was wondering how I should compare
the process variables as they are expressed in the principal components ?
I would be very grateful for any advice.
Sincerely,
Alex Nash
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