A list of several sources to learn data science in a hands-on format
https://www.coursera.org/course/ml – The most approachable machine learning course available. And it’s free.
https://www.kaggle.com/wiki/Tutorials – Provides data sources, forums, scenarios, and real-world competitions to teach data mining
http://deeplearning.net/tutorial/ – Tutorial on Deep Learning – introduction to machine learning image analysis algorithms
http://tryr.codeschool.com/ – Interactive introduction to R Language