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https://github.com/jadianes/spark-py-notebooks

Apache Spark & Python (pySpark) tutorials for Big Data Analysis and Machine Learning as IPython / Jupyter notebooks
https://github.com/jadianes/spark-py-notebooks

big-data bigdata data-analysis data-science ipython ipython-notebook machine-learning mllib notebook pyspark python spark

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Apache Spark & Python (pySpark) tutorials for Big Data Analysis and Machine Learning as IPython / Jupyter notebooks

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# Spark Python Notebooks  



[![Join the chat at https://gitter.im/jadianes/spark-py-notebooks](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/jadianes/spark-py-notebooks?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)



This is a collection of [IPython notebook](http://ipython.org/notebook.html)/[Jupyter](https://jupyter.org/) 

notebooks intended to train the reader on different [Apache Spark](http://spark.apache.org/) concepts, from 

basic to advanced, by using the **Python** language.  



If Python is not your language, and it is R, you may want to have a look at our [R on Apache Spark (SparkR) notebooks](https://github.com/jadianes/spark-r-notebooks) instead. Additionally, if your are interested in being introduced to some basic Data Science

Engineering, you might find [these series of tutorials](https://github.com/jadianes/data-science-your-way)

interesting. There we explain different concepts and applications 

using Python and R.  



## Instructions  



A good way of using these notebooks is by first cloning the repo, and then 

starting your own [IPython notebook](http://ipython.org/notebook.html)/[Jupyter](https://jupyter.org/) in 

**pySpark mode**. For example, if we have a *standalone* Spark installation

running in our `localhost` with a maximum of 6Gb per node assigned to IPython:  



    MASTER="spark://127.0.0.1:7077" SPARK_EXECUTOR_MEMORY="6G" IPYTHON_OPTS="notebook --pylab inline" ~/spark-1.5.0-bin-hadoop2.6/bin/pyspark



Notice that the path to the `pyspark` command will depend on your specific 

installation. So as requirement, you need to have

[Spark installed](https://spark.apache.org/docs/latest/index.html) in 

the same machine you are going to start the `IPython notebook` server.     



For more Spark options see [here](https://spark.apache.org/docs/latest/spark-standalone.html). In general it works the rule of passing options

described in the form `spark.executor.memory` as `SPARK_EXECUTOR_MEMORY` when

calling IPython/pySpark.   

 

## Datasets  



We will be using datasets from the [KDD Cup 1999](http://kdd.ics.uci.edu/databases/kddcup99/kddcup99.html). The results 

of this competition can be found [here](http://cseweb.ucsd.edu/~elkan/clresults.html).  



## References



The reference book for these and other Spark related topics is:  



- *Learning Spark* by Holden Karau, Andy Konwinski, Patrick Wendell, and Matei Zaharia.  



## Notebooks  



The following notebooks can be examined individually, although there is a more

or less linear 'story' when followed in sequence. By using the same dataset

they try to solve a related set of tasks with it.  

 

### [RDD creation](https://github.com/jadianes/spark-py-notebooks/blob/master/nb1-rdd-creation/nb1-rdd-creation.ipynb)  



About reading files and parallelize.  

  

### [RDDs basics](https://github.com/jadianes/spark-py-notebooks/blob/master/nb2-rdd-basics/nb2-rdd-basics.ipynb)



A look at `map`, `filter`, and `collect`.  

  

### [Sampling RDDs](https://github.com/jadianes/spark-py-notebooks/blob/master/nb3-rdd-sampling/nb3-rdd-sampling.ipynb)  



RDD sampling methods explained.    

  

### [RDD set operations](https://github.com/jadianes/spark-py-notebooks/blob/master/nb4-rdd-set/nb4-rdd-set.ipynb)    



Brief introduction to some of the RDD pseudo-set operations.  



### [Data aggregations on RDDs](https://github.com/jadianes/spark-py-notebooks/blob/master/nb5-rdd-aggregations/nb5-rdd-aggregations.ipynb)  



RDD actions `reduce`, `fold`, and `aggregate`.   



### [Working with key/value pair RDDs](https://github.com/jadianes/spark-py-notebooks/blob/master/nb6-rdd-key-value/nb6-rdd-key-value.ipynb)    



How to deal with key/value pairs in order to aggregate and explore data.  

  

### [MLlib: Basic Statistics and Exploratory Data Analysis](https://github.com/jadianes/spark-py-notebooks/blob/master/nb7-mllib-statistics/nb7-mllib-statistics.ipynb)    



A notebook introducing Local Vector types, basic statistics 

in MLlib for Exploratory Data Analysis and model selection.  

  

### [MLlib: Logistic Regression](https://github.com/jadianes/spark-py-notebooks/blob/master/nb8-mllib-logit/nb8-mllib-logit.ipynb)     



Labeled points and Logistic Regression classification of network attacks in MLlib.

Application of model selection techniques using correlation matrix and Hypothesis Testing.    



### [MLlib: Decision Trees](https://github.com/jadianes/spark-py-notebooks/blob/master/nb9-mllib-trees/nb9-mllib-trees.ipynb)  



Use of tree-based methods and how they help explaining models and

 feature selection.  



### [Spark SQL: structured processing for Data Analysis](https://github.com/jadianes/spark-py-notebooks/blob/master/nb10-sql-dataframes/nb10-sql-dataframes.ipynb)  



In this notebook a schema is inferred for our network interactions dataset. Based on that, we use

Spark's SQL `DataFrame` abstraction to perform a more structured exploratory data analysis.  



## Applications  



Beyond the basics. Close to real-world applications using Spark and other technologies.  



### [Olssen: On-line Spectral Search ENgine for proteomics](https://github.com/jadianes/olssen)  



Same tech stack this time with an AngularJS client app.  



### [An on-line movie recommendation web service](https://github.com/jadianes/spark-movie-lens)  



This tutorial can be used independently to build a movie recommender model based on the MovieLens dataset. Most of the code in the first part, about how to use ALS with the public MovieLens dataset, comes from my solution to one of the exercises proposed in the [CS100.1x Introduction to Big Data with Apache Spark by Anthony D. Joseph on edX](https://www.edx.org/course/introduction-big-data-apache-spark-uc-berkeleyx-cs100-1x), that is also [**publicly available since 2014 at Spark Summit**](https://databricks-training.s3.amazonaws.com/movie-recommendation-with-mllib.html). 



There I've added with minor modifications to use a larger dataset and also code about how to store and reload the model for later use. On top of that we build a Flask web service so the recommender can be use to provide movie recommendations on-line.  



### [KDD Cup 1999](https://github.com/jadianes/kdd-cup-99-spark)  



My try using Spark with this classic dataset and Knowledge Discovery competition.  



## Contributing



Contributions are welcome!  For bug reports or requests please [submit an issue](https://github.com/jadianes/spark-py-notebooks/issues).



## Contact  



Feel free to contact me to discuss any issues, questions, or comments.



* Twitter: [@ja_dianes](https://twitter.com/ja_dianes)

* GitHub: [jadianes](https://github.com/jadianes)

* LinkedIn: [jadianes](https://www.linkedin.com/in/jadianes)

* Website: [jadianes.me](http://jadianes.me)



## License



This repository contains a variety of content; some developed by Jose A. Dianes, and some from third-parties.  The third-party content is distributed under the license provided by those parties.



The content developed by Jose A. Dianes is distributed under the following license:



    Copyright 2016 Jose A Dianes



    Licensed under the Apache License, Version 2.0 (the "License");

    you may not use this file except in compliance with the License.

    You may obtain a copy of the License at



       http://www.apache.org/licenses/LICENSE-2.0



    Unless required by applicable law or agreed to in writing, software

    distributed under the License is distributed on an "AS IS" BASIS,

    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    See the License for the specific language governing permissions and

    limitations under the License.