Training Module: Regression Analysis Using Statgraphics

This regression analysis training module covers the use of STATGRAPHICS in fitting various types of regression models.

Module length:0.5 day


Simple Regression

  • Fitting a Straight Line
  • Plotting the Fitted Model
  • Regression Statistics
  • Lack-of-Fit Tests
  • Selecting a Nonlinear Model
  • Analyzing Residuals
  • Detecting Influential Points
  • Removing Outliers
  • Generating Predictions

Polynomial Regression

  • Selecting the Proper Polynomial
  • Dangers of Extrapolation

Box-Cox Transformations

  • Selecting the Proper Power
  • Skewness and Kurtosis Plots

Multiple Regression 

  • Model Specification
  • Regression Analysis Table
  • Stepwise Variable Selection
  • Detecting Autocorrelation
  • Cochrane-Orcutt Procedure

Special Topics

  • Fitting Calibration Models
  • Generating All Possible Regressions
  • Comparing Regression Lines
  • Regression Models for Counts and Proportions