PTS Blog

Main menu:

PTS Utilities

Commercial Utilities developed by Peltier Technical Services

  Waterfall Chart
  Box and Whiskers
     Coming soon!


 

Excel Books

Books that I own and use while developing in Excel

Goods and Services

Excel or charting related products and services which I use or feel are worthwhile additions

Subscribe

Subscribe

Site search


Recent Posts

Recently Commented

Popular Posts

Archive


 

Categories


 

Archive for Tuesday, October 7th, 2008

Polynomial Fit vs. Statistical Process Control

by Jon Peltier
Peltier Technical Services, Inc., Copyright © 2008. All rights reserved.

I’ve written a bit about regression and curve fitting; see Regression Approach to a Simple Physics Problem, Choosing a Trendline Type, and Trendline Fitting Errors. A blog reader asked for help with some sample data that he couldn’t fit. Here is the data.

I plotted the data and gave it the hairy eyeball. Not a linear [...]

Create Excel dashboards quickly with Plug-N-Play reports.