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trend line plotting question

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chin Eng
chin Eng on 3 Apr 2011
Edited: Chad Greene on 25 Mar 2021
Good evening...i have plotting a graph in GUI by loading the data from an excel file! Then, how should i do if i want to add a linear and polynomial trend line in the same axes?
regard chin nyuk eng

Accepted Answer

Fred
Fred on 3 Apr 2011
In GUI after you plot your data, you can drag down "Tools", there is a menu called "Basic Fitting".

More Answers (2)

chin Eng
chin Eng on 3 Apr 2011
ya..i know that method. But, is that possible for not using that "tools". I just want to plot a trend line by a click in GUI..you get my question?
  2 Comments
Samuel
Samuel on 6 Jul 2012
Some of us prefer code, especially when we need to apply the same code to 10's, if not 100's of files and need the trendlines for all of them. It is very time consuming to have to do that for every file.

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Chad Greene
Chad Greene on 25 Mar 2021
I've written a simple function called polyplot to add a linear trend line to plots. Get it on the File Exchange here.

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