2. Tricky Statistics with Spark | Apache Spark for Data Science Cookbook

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Apache Spark for Data Science Cookbook

By : Nagamallikarjuna Inelu, Chitturi

3.5 (4)

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Apache Spark for Data Science Cookbook

3.5 (4)

By: Nagamallikarjuna Inelu, Chitturi

Buy this Book

Overview of this book

Spark has emerged as the most promising big data analytics engine for data science professionals. The true power and value of Apache Spark lies in its ability to execute data science tasks with speed and accuracy. Spark’s selling point is that it combines ETL, batch analytics, real-time stream analysis, machine learning, graph processing, and visualizations. It lets you tackle the complexities that come with raw unstructured data sets with ease. This guide will get you comfortable and confident performing data science tasks with Spark. You will learn about implementations including distributed deep learning, numerical computing, and scalable machine learning. You will be shown effective solutions to problematic concepts in data science using Spark’s data science libraries such as MLLib, Pandas, NumPy, SciPy, and more. These simple and efficient recipes will show you how to implement algorithms and optimize your work.

Preface

What this book covers

What you need for this book

Who this book is for

Sections

Conventions

Reader feedback

Customer support

Free Chapter

1. Big Data Analytics with Spark

Introduction

Initializing SparkContext

Working with Spark's Python and Scala shells

Building standalone applications

Working with the Spark programming model

Working with pair RDDs

Persisting RDDs

Loading and saving data

Creating broadcast variables and accumulators

Submitting applications to a cluster

Working with DataFrames

Working with Spark Streaming

2. Tricky Statistics with Spark

Introduction

Variable identification

Sampling data

Summary and descriptive statistics

Generating frequency tables

Installing Pandas on Linux

Installing Pandas from source

Using IPython with PySpark

Creating Pandas DataFrames over Spark

Splitting, slicing, sorting, filtering, and grouping DataFrames over Spark

Implementing co-variance and correlation using Pandas

Concatenating and merging operations over DataFrames

Complex operations over DataFrames

Sparkling Pandas

3. Data Analysis with Spark

Introduction

Univariate analysis

Bivariate analysis

Missing value treatment

Outlier detection

Use case - analyzing the MovieLens dataset

Use case - analyzing the Uber dataset

4. Clustering, Classification, and Regression

Introduction

Supervised learning

Unsupervised learning

Applying regression analysis for sales data

Variable identification

Data exploration

Feature engineering

Applying linear regression

Applying logistic regression on bank marketing data

Variable identification

Data exploration

Feature engineering

Applying logistic regression

Real-time intrusion detection using streaming k-means

Variable identification

Simulating real-time data

Applying streaming k-means

5. Working with Spark MLlib

Introduction

Working with Spark ML pipelines

Implementing Naive Bayes' classification

Implementing decision trees

Building a recommendation system

Implementing logistic regression using Spark ML pipelines

6. NLP with Spark

Introduction

Installing NLTK on Linux

Installing Anaconda on Linux

Anaconda for cluster management

POS tagging with PySpark on an Anaconda cluster

NER with IPython over Spark

Implementing openNLP - chunker over Spark

Implementing openNLP - sentence detector over Spark

Implementing stanford NLP - lemmatization over Spark

Implementing sentiment analysis using stanford NLP over Spark

7. Working with Sparkling Water - H2O

Introduction

Features

Working with H2O on Spark

Implementing k-means using H2O over Spark

Implementing spam detection with Sparkling Water

Deep learning with airlines and weather data

Implementing a crime detection application

Running SVM with H2O over Spark

8. Data Visualization with Spark

Introduction

Visualization using Zeppelin

Installing Zeppelin

Customizing Zeppelin's server and websocket port

Visualizing data on HDFS - parameterizing inputs

Running custom functions

Adding external dependencies to Zeppelin

Pointing to an external Spark Cluster

Creating scatter plots with Bokeh-Scala

Creating a time series MultiPlot with Bokeh-Scala

Creating plots with the lightning visualization server

Visualize machine learning models with Databricks notebook

9. Deep Learning on Spark

Introduction

Installing CaffeOnSpark

Working with CaffeOnSpark

Running a feed-forward neural network with DeepLearning 4j over Spark

Running an RBM with DeepLearning4j over Spark

Running a CNN for learning MNIST with DeepLearning4j over Spark

Installing TensorFlow

Working with Spark TensorFlow

10. Working with SparkR

Introduction

Installing R

Interactive analysis with the SparkR shell

Creating a SparkR standalone application from RStudio

Creating SparkR DataFrames

SparkR DataFrame operations

Applying user-defined functions in SparkR

Running SQL queries from SparkR and caching DataFrames

Machine learning with SparkR

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Apache Spark for Data Science Cookbook

By : Nagamallikarjuna Inelu, Chitturi

Apache Spark for Data Science Cookbook

By: Nagamallikarjuna Inelu, Chitturi

Overview of this book

Installing Pandas on Linux

Getting ready

How to do it…

Apache Spark for Data Science Cookbook

By : Nagamallikarjuna Inelu, Chitturi

Apache Spark for Data Science Cookbook

By: Nagamallikarjuna Inelu, Chitturi

Overview of this book

Installing Pandas on Linux

Getting ready

How to do it…

Confirmation

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