Machine Learning
Complete noobs who have never used Pandas start here:
Introduction to Pandas with Practical Examples (New)
If you have used Pandas before (or are willing to learn as you go), start here:
Machine Learning for Complete Beginners:
The next topic is Sentiment Analysis, which inspite of its fancy name, just means using machine learning to find out if a text has positive or negative emotions.
The topic is really cool as you can use it to build spam filters, analyse stocks and shares, and a lot more.
This 1st series introduces you to the topic, and guides you on how to build a spam filter.