scikit-learn/scikit-learn — pull request #1146 by amueller (2012-09-13 17:38:34+00:00)
Title: Example: added a pretty PCA 3D plot of iris,

as this dataset is used in so many examples.

Unfortunately the mlp bug about 3d rotations and colors makes it not as nice as it could be.

Not sure if anyone thinks this over complicates the example.