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Assignment 3
Multivariate Data Analysis
Psychology 6140
 Matrix algebra: Green & Carroll, Chapter 2, 2.7 thru end;
Green & Carroll 3.13.4 (Morrison, 2.42.6)
 Introduction to RStudio and a 4page
R Reference Card

Introduction to SAS V8 for Windows Sections 13 give an overview.
 SAS/IML Introduction& handouts; also a handy SAS IML Reference Card
Supplements
 In R: vignette("linearequations", package="matlib)"
 demonstrates illustrates some ideas behind solving systems of linear equations in two and three unknowns
 Systems of Linear Equations
 A brief tutorial
 Elementary row operations
 A brief tutorial
 imlmat1.sas
 Basic matrix definitions
 imlmat2.sas
 Matrix arithmetic: +, , # (elementwise operations)
 imlmat4.sas
 Properties of matrix multiplication
From the Matrix Algebra Problems (MAP) handout:
 MAP II.2
 MAP II.5
 MAP II.8
 MAP V.5
You can do these by hand, but you might try using R or SAS/IML
to do the following problems from Green and Carroll:
 Chap 2, Problem 12
 Chap 2, Problem 15. GC215.csv contains the small data set
© 1995 Michael Friendly