Perrin Academy

This site contained some tutorials to do with brain imaging and statistics.

The most recent copy of most of my tutorials are now in my teaching pages. And so, the tutorials links here now redirect to the more recent versions. “Please update your bookmarks”.

General computing and mathematics

• The angle sum rule;

• Sum of sines and cosines;

General statistics

• Introduction to the general linear model;

• Notes on the Bonferroni threshold;

• Exploring the R formula;

• Notes on “why most published research findings are false”;

More specific to imaging

• Correlated regressors;

• An Introduction to Smoothing;

• Smoothing as convolution;

• Thresholding with random field theory.