*Originally posted here, where you can read comments and the most recent version.*

We are now at 20, up from 17. I hope I find the time to write a one-page survival guide for UNIX, Python and Perl. Here's one for R. The links to core data science concepts are below - I need to add links to web crawling, attribution modeling and API design. Relevancy engines are discussed in some of the tutorials listed below. And that will complete my 10-page cheat sheet for data science.

Here's the list:

- Tutorial: How to detect spurious correlations, and how to find the ...
- Practical illustration of Map-Reduce (Hadoop-style), on real data
- Jackknife logistic and linear regression for clustering and predict...
- From the trenches: 360-degrees data science
- A synthetic variance designed for Hadoop and big data
- Fast Combinatorial Feature Selection with New Definition of Predict...
- A little known component that should be part of most data science a...
- 11 Features any database, SQL or NoSQL, should have
- Clustering idea for very large datasets
- Hidden decision trees revisited
- Correlation and R-Squared for Big Data
- Marrying computer science, statistics and domain expertize
- New pattern to predict stock prices, multiplies return by factor 5
- What Map Reduce can't do
- Excel for Big Data
- Fast clustering algorithms for massive datasets
- Source code for our Big Data keyword correlation API
- The curse of big data
- How to detect a pattern? Problem and solution
- Interesting Data Science Application: Steganography

**Other Cheat Sheets**

Vincent's Cheat Sheets for Perl, R, Excel (includes Linest, Vlookup), Linux, cron jobs, gzip, ftp, putty: coming soon

Cheat Sheets for Python

- Python: www.astro.up.pt/~sousasag/Python_For_Astronomers/Python_qr.pdf
- NumPy, SciPy and Pandas: s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+S...

Cheat Sheets for R

- Short Reference Card cran.r-project.org/doc/contrib/Short-refcard.pdf
- R Functions for Regression Analysis cran.r-project.org/doc/contrib/Ricci-refcard-regression.pdf

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