Cheat sheets for data scientists

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Ajay Ohri

Ingénierie Technologie

What is data science ?
Hacking ( Programming) + Maths/Statistics + Domain Knowledge = Data Science
http://drewconway.com/zia/2013/3/26/the-data-science-venn-diagram

What is a Data Scientist ?
a data scientist is simply a data analyst living in california

What is a Data Scientist
a data scientist is simply a person who can
write code
understand statistics
derive insights from data

Oh really, is this a Data Scientist ?
a data scientist is simply a person who can
write code = in R,Python,Java, SQL, Hadoop (Pig,HQL,MR) etc
= for data storage, querying, summarization, visualization
= how efficiently, and in time (fast results?)
= where on databases, on cloud, servers
and understand enough statistics
to derive insights from data
so business can make decisions

Java
http://introcs.cs.princeton.edu/java/11cheatsheet/

Linux
http://www.linuxstall.com/linux-command-line-tips-that-every-linux-user-should-know/

SQL
http://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins

Hive QL
http://hortonworks.com/wp-content/uploads/downloads/2013/08/Hortonworks.CheatSheet.SQLtoHive.pdf

Python
http://www.astro.up.pt/~sousasag/Python_For_Astronomers/Python_qr.pdf

Python
https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+SciPy,+NumPy+Cheat+Sheet.pdf

R
http://cran.r-project.org/doc/contrib/Short-refcard.pdf

HDFS
https://github.com/michiard/CLOUDS-LAB/blob/master/C-S.md

Git
http://overapi.com/static/cs/git-cheat-sheet.pdf

All together now
PIG http://www.slideshare.net/Mathias-Herberts/hadoop-pig-syntax-card
HDFS https://github.com/michiard/CLOUDS-LAB/blob/master/C-S.md
R http://cran.r-project.org/doc/contrib/Short-refcard.pdf
Python https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+SciPy,+NumPy+Cheat+Sheet.pdf
Python http://www.astro.up.pt/~sousasag/Python_For_Astronomers/Python_qr.pdf
Java http://introcs.cs.princeton.edu/java/11cheatsheet/
Linux http://www.linuxstall.com/linux-command-line-tips-that-every-linux-user-should-know/
SQL http://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins
Git http://overapi.com/static/cs/git-cheat-sheet.pdf

ich danke Ihnen sehr
compiled by Decisionstats.com
http://linkedin.com/in/ajayohri

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Cheat sheets for data scientists

1. Cheat Sheets for Data Scientists

2. What is data science ? Hacking ( Programming) + Maths/Statistics + Domain Knowledge = Data Science http://drewconway.com/zia/2013/3/26/the-data-science-venn-diagram

3. What is a Data Scientist ? a data scientist is simply a data analyst living in california

4. What is a Data Scientist a data scientist is simply a person who can write code understand statistics derive insights from data

5. Oh really, is this a Data Scientist ? a data scientist is simply a person who can write code = in R,Python,Java, SQL, Hadoop (Pig,HQL,MR) etc = for data storage, querying, summarization, visualization = how efficiently, and in time (fast results?) = where on databases, on cloud, servers and understand enough statistics to derive insights from data so business can make decisions

6. Java http://introcs.cs.princeton.edu/java/11cheatsheet/

7. Linux http://www.linuxstall.com/linux-command-line-tips-that-every-linux-user-should-know/

8. SQL http://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins

9. Hive QL http://hortonworks.com/wp-content/uploads/downloads/2013/08/Hortonworks.CheatSheet.SQLtoHive.pdf

10. Python http://www.astro.up.pt/~sousasag/Python_For_Astronomers/Python_qr.pdf

11. Python https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+SciPy,+NumPy+Cheat+Sheet.pdf

12. R http://cran.r-project.org/doc/contrib/Short-refcard.pdf

13. Pig

14. HDFS https://github.com/michiard/CLOUDS-LAB/blob/master/C-S.md

15. Git http://overapi.com/static/cs/git-cheat-sheet.pdf

16. All together now PIG http://www.slideshare.net/Mathias-Herberts/hadoop-pig-syntax-card HDFS https://github.com/michiard/CLOUDS-LAB/blob/master/C-S.md R http://cran.r-project.org/doc/contrib/Short-refcard.pdf Python https://s3.amazonaws.com/quandl-static-content/Documents/Quandl+-+Pandas,+SciPy,+NumPy+Cheat+Sheet.pdf Python http://www.astro.up.pt/~sousasag/Python_For_Astronomers/Python_qr.pdf Java http://introcs.cs.princeton.edu/java/11cheatsheet/ Linux http://www.linuxstall.com/linux-command-line-tips-that-every-linux-user-should-know/ SQL http://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins Git http://overapi.com/static/cs/git-cheat-sheet.pdf

17. ich danke Ihnen sehr compiled by Decisionstats.com http://linkedin.com/in/ajayohri

Cheat sheets for data scientists

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