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Assignment 2

Multivariate Data Analysis
Psychology 6140

Readings

Data screening: Tabachnick & Fiddell, Ch 4.
Basic matrix concepts & operations:
- Green & Carroll, Chapter 2: 2.1-2.6
- (optional: J&W, Supplement 2A)
Rob Hyndman's blog has a nice set of Twenty rules for good graphics, tips for preparing graphics for presentations or publications.

Supplements

Data Screening Checklist from Mike Wulder, with notes on transformations, missing data, etc.
A web applet for evaluating formulas with Matrices, Matrix Algebra Calculator. Allows simple calculations for two matrices, A and B.
A collection of matrix algebra calculators.
Symbolab has a variety of matrix/vector calculators and a graphing calculator for lines and mathematical functions.

Problems (due: next week)

From the Matrix Algebra Problems (MAP) handout. (NB: The HTML versions linked below are badly formatted.)

Try the following two problems from Chapter 2 (p. 74) in Green and Carroll; you can use the computer to check your work.

Problem 2
Problem 3

© 1995 Michael Friendly