How do I fit a 4th order curve to a scatter plot

[Vidyut Dey]

I want to fit a 4th order curve to the data of thermal conductivity against temperature. I do not find any menu for a direct plot as we get in the software Origin Lab. If any onw knows the trick to do this curve fitting, kindly help.

[Bruce Miller]

Good luck,

Seems the list is not active with support and nearly zip replies in past months.

When I am doing simple plots I usually select theme BW first from Other tab to set defaults plot background & text size.
Then go to Geometric Elements tab and select  GEOM Point.  You are offered a pop up menu to define both X & Y axis from your data.

HTH

Bruce

On 11/13/2018 10:37 AM, Vidyut Dey wrote:

I want to fit a 4th order curve to the data of thermal conductivity against temperature. I do not find any menu for a direct plot as we get in the software Origin Lab. If any onw knows the trick to do this curve fitting, kindly help.

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[rudolf....@gmail.com]

That's easy. Go to Deducer, Menu: Analysis, Linear Model, select your parameter(s), continue, in the next menu tick poly and etner the order of the polynomial when prompted, continue, select your plot(s) in the side menu. Done.