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MathGroup Archive 2007

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Re: Using Locators in Mathematica v6

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  • Subject: [mg76505] Re: [mg76443] Using Locators in Mathematica v6
  • From: "Lev Bishop" <lev.bishop+mathgroup at>
  • Date: Wed, 23 May 2007 05:24:09 -0400 (EDT)
  • References: <>

On 5/22/07, Coleman, Mark <Mark.Coleman at> wrote:

> Briefly, I want to illustrate the effects that outlier points an have on
> a line of best fit. For my example, I generate a small random set of
> points (x(i), y(i)), where y(i) = a + b x(i) + randomerror(i), for
> values a and b. I then calculate the line of best fit using Fit[ ]. I
> next ListPlot[ ] the underlying set of points and overlay the resulting
> line from Fit[ ]. So far very simple.

>From the help at tutorial/IntroductionToManipulate there's this, which
lets you choose a fitting polynomial order, and add/remove locator
points by command/alt clicking in a blank area/existing locator.


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