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Fit trendline to data points

  1. Oct 18, 2012 #1

    I used plot digitizer software to pull data points off a picture of a graph and i need to fit a line to the points (and get an equation for the line). I know the data points fit to an s-curve from the picture. I'm thinking excel doesn't do this, or maybe I missed it?

    I have access to maple, can this do s-curves?

    thanks in advance
    Last edited: Oct 18, 2012
  2. jcsd
  3. Oct 19, 2012 #2

    Excel fit sigmoid

    to find 585000 hits and it looks like you should find what you need to do there
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