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Re: fit data - trendline through zero
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From: |
ldoolitt |
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Subject: |
Re: fit data - trendline through zero |
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Date: |
Tue, 15 Dec 1998 12:38:05 -0500 (EST) |
Marcel -
> I use polyfit to find the trendline in my data. How can I force it to go
> through zero ?
Divide your data by x before fitting. Think about it.
On a related note, I have a hacked polyfit (polyweightfit) that
accepts weighting factors for each point. If that sounds generally
interesting, I can post or submit it.
- Larry Doolittle address@hidden