Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: st: Principal Components Analysis with count data


From   kokootchke <kokootchke@hotmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Principal Components Analysis with count data
Date   Mon, 10 Aug 2009 20:12:39 -0400


Jason wrote:
> As PCA is appropriate for continuous data. I am wondering if it is
> appropriate for count data (i.e., highly skewed)? Can someone provide
> advice, guidance or a resource in using PCA with count data?


Dear Jason, 

I don't know much about this but a while ago I was looking for something similar and I came across this paper which helped me:

http://cosco.hiit.fi/search/MPCA/buntineDPCA.pdf

If that's not useful to you, it has a bunch of references in the back. Maybe those can help.

Best,
Adrian




>
> Cheers,
> Jason
>
> ------------------------------------------
> DISCLAIMER: This message (including any attachments) is intended solely for the addressee(s) named and may contain confidential or privileged information.
> If you are not the intended recipient, please delete it and notify the sender.
> Views expressed in this message are those of the individual sender,and are not necessarily the views of the Turning Point Alcohol and Drug Centre Inc (ABN: 17 302 055 629).
>
> Turning Point Alcohol and Drug Centre Inc
>
> Although this message and any attachments have been scanned for viruses by 'Trend Micro InterScan' at the time of sending,
> you are advised to rescan on receipt.
>
> The whole or parts of this email may be subject to copyright of Turning Point Alcohol and Drug Centre Inc (ABN: 17 302 055 629), and/or third parties.
> You can only re-transmit, distribute or use the material if you are authorised to do so.
>
> Please consider the environment before printing this email or attachments.
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/

_________________________________________________________________
Get back to school stuff for them and cashback for you.
http://www.bing.com/cashback?form=MSHYCB&publ=WLHMTAG&crea=TEXT_MSHYCB_BackToSchool_Cashback_BTSCashback_1x1
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index