On this page you will find links to individual videos instructing you in fundamental concepts such as entering data into R, performing matrix operations in Excel and describing the use of Macros in Excel. Each video assumes only basic knowledge and is linked to some portion of one or more lectures in one of my courses in quantitative psychology at University of Missouri - St. Louis.
Intro to Excel: Variance & Covariance
Using macros: entering, recording and editing
Data screening and graphical displays
Mediation with R
Moderation with R
PRELIS intro
Basic SEM with LISREL
Why use syntax?
Manipulating data
Factor Analysis
(Coming Soon: IRT with R using ltm package)
IntroToExcel.xls
Moderated Regression Graph.xls
Thomas D. Fletcher
Assistant Professor
University of Missouri - St. Louis
Last updated: 12/28/06