Remember the Zen of Python and how there should be “one obvious way to do something in Python”? You might scratch your head when you find out that there are *four* major ways to do string formatting in Python.

Explanation of panda's grouper and aggregation (agg) functions... (more…)

Xgboost is a gradient boosting library. It provides parallel boosting trees algorithm that can solve Machine Learning tasks. It is available in many languages, like: C++, Java, Python, R, Julia, Scala. In this post, I will show you how to get feature impo... (more…)

Jupyter as a learning tool, the JupyterHub Project, and Music21. (more…)

“Python is about having the simplest, dumbest compiler imaginable.” —Guido van Rossum, Masterminds of Programming... (more…)