Error on the slope when using a least squares fit

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A
A 2012-3-12
Hello,
I am fitting a slope to data points using least squares fit (polyfit), but I also need to know the error on the slope returned by this function. Does anyone have a handy way of doing this?
Thanks!

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回答（1 个）

Sean de Wolski
Sean de Wolski 2012-3-12
If you have the Statistics Toolbox:
doc regress
And if you have the Statistics Toolbox with R2012a:
doc linearmodel

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