Cheat Sheets

python
+2

PySpark Cheat Sheet: Spark DataFrames in Python

June 15th, 2017This PySpark SQL cheat sheet is your handy companion to Apache Spark DataFrames in Python and includes code samples.
data manipulation
+1

The data.table R Package Cheat Sheet

June 8th, 2017The data.table cheat sheet helps you master the syntax of this R package, and helps you to do data manipulations.
finance
+1

xts Cheat Sheet: Time Series in R

May 17th, 2017Tackle time series in R with this xts (Extensible Time Series) cheat sheet!
machine learning
+4

Keras Cheat Sheet: Neural Networks in Python

April 25th, 2017Make your own neural networks with this Keras cheat sheet to deep learning in Python for beginners, with code samples!
big data
+2

PySpark Cheat Sheet: Spark in Python

March 21st, 2017This PySpark cheat sheet with code samples covers the basics like initializing Spark in Python, loading data, sorting, and repartitioning.