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 Regressio with Dummy variables		  New Topic  Reply to Topic
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Beginneri

Finland
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Posted - 12/18/2007 :  03:32:46 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello,

Might be a stupid question, but how can I make Regressio analysis with Dummy variables with Orgin? Where to add these Dummy varaibles?

easwar

USA
1965 Posts
Posted - 12/18/2007 :  1:40:42 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Do you mean something like this:
http://dss.princeton.edu/online_help/analysis/dummy_variables.htm
where categories are involved and you want to deal with categories in your fitting?

Do you have say x,y data and a third column with some categorical value? Certain statistical tools in Origin 8 such as stats on cols now support category/group variable, but the regression tools do not. So you would then have to separate out the groups based on category value and fit each group separately, to perform regression from the GUI.

Maybe you can post/send your data and specifics to tech support?

Easwar
OriginLab




Edited by - easwar on 12/18/2007 1:42:04 PM
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