How to do linear regression?

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AKANAE CHATTRAIRAT
AKANAE CHATTRAIRAT 2018-8-22
评论： Stephan 2018-8-22
How to do a regression line ?
  1 个评论
Stephan
Stephan 2018-8-22
Do you have access to Optimization Toolbox or to Curve Fitting Toolbox?

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回答（2 个）

Star Strider
Star Strider 2018-8-22
To do a simple linear least-square fit, see the mldivide,\ (link) function.
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Star Strider
Star Strider 2018-8-22
Thank you!
Actually, I got the idea for the column of ones from the documentation for the regress (link) function when I first began using it, many years ago. (I simply forgot to include polyfit and friends initially.)
Stephan
Stephan 2018-8-22
I had to think about it for a few minutes. But after understanding what happens, i saw that this is a pretty nice approach.

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Image Analyst
Image Analyst 2018-8-22
See my attached demo.

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