Timeline for Standard error of linear fit parameters
Current License: CC BY-SA 3.0
12 events
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Mar 31, 2016 at 13:29 | history | edited | mrz | CC BY-SA 3.0 |
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Mar 31, 2016 at 13:24 | history | edited | mrz | CC BY-SA 3.0 |
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Mar 31, 2016 at 12:46 | vote | accept | mrz | ||
Mar 31, 2016 at 12:46 | comment | added | mrz | somebody dislikes this question: can he/she explain why - or is this just for fun? | |
Mar 31, 2016 at 12:29 | answer | added | Chris Degnen | timeline score: 4 | |
Mar 31, 2016 at 12:15 | comment | added | J. M.'s missing motivation♦ |
...and if you do use NonlinearModelFit[] , you can use the "ParameterErrors" property of the resulting FittedModel[] object.
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Mar 31, 2016 at 11:59 | comment | added | Jason B. |
@mrz - the easiest way would be to use LinearModelFit or NonlinearModelFit , but I take it you want the formula used to calculate these for academic purposes. I'd look at this page and this page
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Mar 31, 2016 at 11:59 | comment | added | Szabolcs |
Can you explain why you want to avoid LinearModelFit /NonlinearModelFit in favour of FindFit ? What's wrong with NonlinearModelFit ? It also calls FindFit internally, but it also does additional calculations to get the errors. You'll need to do these manually if you don't want NonlinearModelFit .
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Mar 31, 2016 at 11:54 | comment | added | mrz | Thank you for your comment ... how can I obtain the errors of the fit parameters (a,b)? | |
Mar 31, 2016 at 11:36 | comment | added | J. M.'s missing motivation♦ |
Why linearize when nonlinear regression capabilities are available? FindFit[data, a x^b, {a, b}, x]
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Mar 31, 2016 at 11:18 | history | edited | mrz | CC BY-SA 3.0 |
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Mar 31, 2016 at 11:10 | history | asked | mrz | CC BY-SA 3.0 |