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 X data points in linear fit		  New Topic  Reply to Topic
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akruse

USA
2 Posts
Posted - 07/31/2018 :  5:08:09 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): Student 2018
Operating System: Windows 7

I'm writing a code to perform a linear fit using the xop code (because it displays the data the way I need at the end) similar to how it's shown here: https://www.originlab.com/doc/X-Function/ref/xop

I would like a line of code to change the number of points in the X data. Manually, we would do that here:


I would like to change this value to a number I have saved in ww.

Alternatively , if anyone has a way to use the simple LabTalk code for linear fit and still display the two data sheets the dialog box does, that would be helpful too.
Edited by - akruse on 07/31/2018 6:44:14 PM

yuki_wu

896 Posts
Posted - 07/31/2018 :  11:14:16 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

After create the GUI tree:
tree lrGUI;
xop execute:=init classname:=FitLinear iotrgui:=lrGUI;

You could output the GUI tree by:
lrGUI.=

Then, you could find:
lrGUI.Graph1.XDataType.N=1000;

Also, you could use fitLR to perform simple linear fitting:
https://www.originlab.com/doc/X-Function/ref/fitLR

Regards,
Yuki

OriginLab
Edited by - yuki_wu on 07/31/2018 11:19:00 PM
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akruse

USA
2 Posts
Posted - 08/01/2018 :  10:53:17 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
That didn't quite work, but it led me to what I needed so thanks for the reply!

For the future readers with the same problem, this is the code I used:

tree lrGUI;
xop execute:=init classname:=FitLinear iotrgui:=lrGUI;
lrGUI.GUI.InputData.Range1.X$ = col(1);
lrGUI.GUI.InputData.Range1.Y$ = col(10);
lrGUI.GUI.Graph1.XDataType.N=ww;
xop execute:=report iotrgui:=lrGUI;
xop execute:=cleanup;

Cheers!
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