NumPy is indispensible for manipulating data in python and luckily there are plenty of online resources for learning the ropes. Here are some solid options, recommended by the good people of Twitter and LinkedIn. What some of them lack in polish, they make up for in substance.

Getting started



I wasn't planning to include anything too in-depth here, but this paper on the structure and efficiency of the NumPy array was too cool not to. You'll never need to know any of this, but some day you might want to.