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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 FREE CHAPTER 2. Data Structures in R 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

Converting a matrix to a data frame and a data frame to a matrix

A matrix is a two-dimensional arrangement of data with rows and columns where each row/column is of the same data type, either all numeric, all character, or all logical. Moreover, the number of elements in each column should be the same, and the number of elements in each row should also be the same.

A data frame is also a two-dimensional arrangement of data with rows and columns, but each column could be of very different types; for example, a data frame may contain both character and numeric columns. However, the number of elements in each column should be the same. Since both data structures share some common properties, they could be converted from one structure to another. In this recipe, you will learn to convert a matrix to a data frame and a data frame to a matrix.

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