The name of the example dataset. weights is an fmri dataset comprised of
36 subjects. For each subject, the rows are fMRI measurements and the columns
are parameters of a model fit to the fMRI data. weights_sample is a
sample of 3 subjects from that dataset. weights_avg is the dataset split
in half and averaged into two groups. spiral is 3D spiral to
highlight the procrustes function. mushrooms is an example dataset
comprised of features (columns) of a collection of mushroomm samples (rows).