I just came back from the Open Data Science Conference (ODSC) in San Francisco and I found it really stimulating and interesting. I learned a ton, met some great people working in very different fields, and overall found it quite worthwhile.
Here are some of the highlights from my notes:
Workshops scikit-learn intro Workshop and Advanced
I admit that I am not really a Python person. But I am helping to develop some materials for an introductory workshop and I found this workshop and its materials to be a very beginner-friendly to scikit-learn and machine learning concepts, much like caret for R.