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Assignment 3
Multivariate Data Analysis
Psychology 6140
- Matrix algebra: Green & Carroll, Chapter 2, 2.7 thru end;
Green & Carroll 3.1-3.4 (Morrison, 2.4-2.6)
- Introduction to RStudio and a 4-page
R Reference Card
-
Introduction to SAS V8 for Windows Sections 1-3 give an overview.
- SAS/IML Introduction& handouts; also a handy SAS IML Reference Card
Supplements
- In R: vignette("linear-equations", 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. GC-2-15.csv contains the small data set
© 1995 Michael Friendly