Chromatography Forum

Posted: **Wed Aug 12, 2009 3:12 pm**

Who know how to make 1/x or 1/x2 weighting regression? How to build the 1/x weighting calibration? What is the formular?
Pls help me.

Posted: **Wed Aug 12, 2009 3:31 pm**

Did you want to try this in Excel?

Something like this should get you started: http://en.wikiversity.org/wiki/Least_sq ... sing_Excel

I usually just use Empower or Anlyst for the data I have already collected.

Posted: **Wed Aug 12, 2009 5:27 pm**

This contains unweighted/weighted regresion - ISO 11095:1996 Linear calibration using reference materials

Posted: **Fri Aug 28, 2009 7:40 pm**

Which software do you have on which you are trying to make 1/x curve