# Official Blog

data analysis

## Writing Functions in Python

data visualization

+1## Intermediate Python for Data Science: Matplotlib

New course, "Supervised Learning with scikit-learn", taught by Andreas Müller! Become a machine learning master with this course.

r programming

+2## New Course: Unsupervised Learning in R

Eric Ma gives a talk entitled Networks, Networks, Everywhere! He discusses what Networks are, and how they solve interesting problems in the world.

r programming

+1## RDocumentation: Scoring and Ranking

New course on Merging DataFrames with pandas by Dhavide Aruliah of Continuum Analytics.

This cheat sheet is a quick reference for data wrangling with Pandas, complete with code samples.