Pipelines and Feature Unions in Scikit Learn

We talk about the most power features of scikit learn: pipelines and feature unions (combining estimators to create even more powerful ones) Associated Github Commit: https://github.com/knathanieltucker/bit-of-data-science-and-scikit-learn/blob/master/notebooks/PipelinesAndFeatureUnions.ipynb Associated Scikit Links: http://scikit-learn.org/stable/modules/pipeline.html