Tips for Installation and Configuration
Getting Data into Useable Formats
Plot group means and test to see if their differences are statistically significant.
A step-by-step introduction to regresion in R
A step-by-step introduction to exploratory factor analysis in R
Regression in which each group has its own intercept
Regression in which each group has its own slope for some predictors
Regression in which there are groups within groups
Multilevel models in which the residuals are not normally distributed
Simulating data that conforms to a specified model. Useful for power analysis and other kinds of “what-if” thought experiments.
Multilevel models about how and why variables change over time
Using structural equations to understand change over time
How two variables influence each other over time
What sample size is needed to reliably find effects in hypothesized models?
