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First steps with data
science
Igor Leroy
@lerrua
About me
Developer since 2007
timeline: Action Script,
PHP, Java, C#, Rails and
Python
Pythonista since 2011
Home office +4 years
Backend at SQUAD
github.com/lerruatwitter.com/lerrua
Summary
What is a data scientist?
Stack!
Where to start?
Data scientist?
"Data scientists are inquisitive: exploring, asking questions, doing
“what if” analysis, questioning existing assumptions and processes"
https://www-01.ibm.com/software/data/infosphere/data-scientist/
Image via Data Science London
we have data analysts
and data engineers
salary
http://www.payscale.com/research/US/Job=Data_Scientist,_IT/Salary
stack
useful Python libs
Pandas and SFrame
scikit learn
Scipy
Numpy
Matplotlib, Bokeh
jupyter
open mining
AirBnb: caravel
Rodeo IDE
Rodeo IDE
canopy IDE
Where to start?
http://www.lerrua.com/blog/2016/03/08/primeiros-passos-
com-data-science/
http://www.lerrua.com/blog/2016/03/17/getting-started-
with-data-science/
pt-BR
en-US
top free courses
Big Data Basics: Hadoop, MapReduce, Hive, Pig & Spark - https://
www.udemy.com/big-data-basics-hadoop-mapreduce-hive-pig-
spark
Intro to Data Analysis – https://www.udacity.com/courses/
ud170
Intro to Data Science – https://www.udacity.com/courses/
ud359
Intro to Statistics – https://www.udacity.com/courses/st101
Intro to Machine Learning – https://www.udacity.com/
courses/ud120
references
https://becomingadatascientist.wordpress.com/
2013/07/26/choosing-a-data-science-technology-
stack-w-survey/
https://www.import.io/post/data-scientists-vs-data-
analysts-why-the-distinction-matters/
http://blog.udacity.com/2014/12/data-analyst-vs-
data-scientist-vs-data-engineer.html
http://www.mastersindatascience.org/careers/data-
scientist/
questions?

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First steps with Data Science