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Modern R Programming Cookbook

You're reading from   Modern R Programming Cookbook Recipes to simplify your statistical applications

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Product type Paperback
Published in Oct 2017
Publisher Packt
ISBN-13 9781787129054
Length 236 pages
Edition 1st Edition
Languages
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Author (1):
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Jaynal Abedin Jaynal Abedin
Author Profile Icon Jaynal Abedin
Jaynal Abedin
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Toc

Table of Contents (10) Chapters Close

Preface 1. Installing and Configuring R and its Libraries 2. Data Structures in R FREE CHAPTER 3. Writing Customized Functions 4. Conditional and Iterative Operations 5. R Objects and Classes 6. Querying, Filtering, and Summarizing 7. R for Text Processing 8. R and Databases 9. Parallel Processing in R

Creating an XDF file from CSV input

An XDF file is a data file format in R used to store, process, and analyze a larger dataset. This file uses persistent memory, that is, hard disk storage, instead of RAM. The XDF file allows you to process datasets by chunks and takes less time than the typical R data frame. In this recipe, you will create a new XDF file from a CSV input file. The XDF file is not a primary choice for parallel processing, but it offers better control over your data through persisted storage and further processing.

Getting ready

To implement this recipe, you are required to install the RevoScaleR library.

The datasets (the CSV input files) used in this recipe are downloaded from the website of the Bureau of...

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