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MathGroup Archive 2005

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Re: Coefficients from Fit as a list?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg63405] Re: [mg63396] Coefficients from Fit as a list?
  • From: ggroup at sarj.ca
  • Date: Fri, 30 Dec 2005 02:32:24 -0500 (EST)
  • References: <200512290757.CAA16336@smc.vnet.net>
  • Reply-to: ggroup at sarj.ca
  • Sender: owner-wri-mathgroup at wolfram.com

On Thursday, December 29, 2005 at 02:57 GMT -0500, Lectorz wrote:

> How can I store the coefficients from the Fit function as a list?

Use FindFit instead:

data = Table[{i, Random[] + 5 i}, {i, 10}];
Fit[data, {x, 1}, x]
FindFit[data, m x + b, {b, m}, {x}][[All, 2]]

Or you could use the LinearRegression package and obtain a whole lot
more information in the process.

<< Statistics`LinearRegression`
bestfit = Regress[data, {1, x}, x]
(ParameterTable /. bestfit)
(ParameterTable /. bestfit)[[1, All, 1]]



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