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 qq plot using custom distribution
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AndreaP88

6 Posts

Posted - 12/11/2016 :  1:24:24 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi All!

I'm sorry to disturb you guys but I just have a quick question!
I was wondering wether it is possible to use a user defined function as a probability distribution function for the qq plot. For now, it seems that Origin only supports some predefined pdf.

Thank you for your help!

Origin Ver. and Service Release (Select Help-->About Origin): 2016
Operating System: Windows 10

Shirley_GZ

China
Posts

Posted - 12/13/2016 :  12:57:30 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Andrea,

In my opinion, the PDFs(probability distribution function, such as Gauss) are not suitable to be used to do fitting on the QQ plot directly. As you can see, QQ plot generally looks like a line plot, is not possible to do a nonlinear fit on a linear curve, am I right?

So, would you please give us more details about what you want?

Thanks,
Shirley

Originlab Technical Service Team
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