Norb normalizes correctly
Bugfix: norb returns correct test set
Added zca_whitening option to smallnorb.
Added zca_whiten option to mnist and smallnorb.
fixing bug in loading from disk... wrong variable order.
Merge branch 'master' of github.com:rosejn/torch-datasets
Documentation fix
Tidied ZCA whitening code

Removed redundant functions, fixed whitespace.
Added TableDataset.random_mini_batch
Merge branch 'master' into zca
Added global normalisation and ZCA whitening to table_datset
cleanups
Merge branch 'master' of github.com:rosejn/torch-datasets
type function should check for sample == nil.
add randomization to file_source
Completed global normalisation and ZCA whitening
add filtered pipeline to accept/reject samples
Fixes to ZCA whitening
Changed parameter names for smallnorb
Merge branch 'master' of github.com:rosejn/torch-datasets