Files

Annotated Example on Simple Linear Regression

Matrix Algebra Examples using SAS Proc IML
    Chapter 5 Problem 1
    Chapter 5 Problem 2
    Chapter 5 Problem 4
    Chapter 5 Problem 9
    Chapter 5 Problem 10
    Chapter 5 Problem 23

Solution to Problems 9-13 in Chapter 6
    Write-up
    SAS Code
    Data Set

Example displaying Confidence Intervals and Prediction Intervals

Example on Partial and Sequential SS

Example on General Linear Hypothesis
pdf

Solution to Problems 4 and 5 in Chapter 8
SAS Code

Example on Variable Selection
pdf

Example on Influence Diagnostics
Dataset

Example on Multicollinearity
SAS dataset

Example on Influential Observations and Multicollinearity

Example on Weighted Least Squares Regression
Dataset

Capstone Regression Example

SAS Macro for computing a Confidence Interval for the population correlation coefficient r based on Fisher's z transformation
CI_for_r.sas
Example using CI_for_r.sas
CI_for_r Example.sas

SAS Macro for assessing normality
NORMTEST.SAS

SAS Macro for Levene's Test
LEVENE.SAS

SAS Code for using PROC BOXPLOT to create a boxplot of residuals
NKNW0306a.

Description of SAS Macro for producing a matrix of (side-by-side) scatterplots
ScatMat.txt

SAS Macro for producing a matrix of (side-by-side) scatterplots
ScatMat.sas

SAS syntax for using ScatMat to produce plots for Problem 6.5(a)
NKNW605a.sas

SAS Code for Problem 7.5, producing sequential SS and the corresponding sequential F tests
NKNW0705.sas

SAS Code for an example problem involving fitting a third order polynomial regression using
a centered predictor x. (Problem from the fourth edition.)
NKNW0733.sas

Example on One Way ANOVA

Example using Orthogonal Polynomial Contrasts
Insulin data set

Table of Coefficients of Orthogonal Polynomial Contrasts

Using SAS PROC IML to generate coefficients for Orthogonal Polynomial Contrasts

SAS Macro for generating a polynomial contrast for use in a CONTRAST statement in PROC GLM (assuming equal N's and equal spacing)

SAS Macro for generating a polynomial contrast for use in a CONTRAST statement in PROC GLM (allowing unequal N's and unequal spacing)

Example on Two Way ANOVA with no Interaction
Data for Two Way ANOVA
Data Table for Two Way ANOVA

Example on Two Way ANOVA with Interaction

Solution to Exercise 32 in Chapter 19

Example on Three Way ANOVA with 3-way Interaction

Example on Three Way ANOVA without 3-way Interaction

Example on One Way Analysis of Covariance