Data wrangling with R / Bradley C. Boehmke.

Format:

Book

Author/Creator:

Boehmke, Bradley C., author.

Contributor:

ebrary, Inc.

Series:

Use R!

Language:

English

Subjects (All):

Multivariate analysis.

R (Computer program language).

Statistics--Data processing.

Statistics.

Mathematical statistics--Data processing.

Mathematical statistics.

Physical Description:

1 online resource (237 pages).

Place of Publication:

Cham, Switzerland : Springer, [2016]

System Details:

text file

Contents:

Preface; Who This Book Is for; What You Need for This Book; Reader Feedback; Contents; Part I: Introduction; Chapter 1: The Role of Data Wrangling; Bibliography; Chapter 2: Introduction to R; 2.1 Open Source; 2.2 Flexibility; 2.3 Community; Bibliography; Chapter 3: The Basics; 3.1 Installing R and R studio; 3.2 Understanding the Console; 3.2.1 Script Editor; 3.2.2 Workspace Environment; 3.2.3 Console; 3.2.4 Misc. Displays; 3.2.5 Workspace Options and Shortcuts; 3.3 Getting Help; 3.3.1 General Help; 3.3.2 Getting Help on Functions; 3.3.3 Getting Help from the Web; 3.4 Working with Packages.

3.4.1 Installing Packages.4.2 Loading Packages; 3.4.3 Getting Help on Packages; 3.4.4 Useful Packages; 3.5 Assignment and Evaluation; 3.6 R as a Calculator; 3.6.1 Vectorization; 3.7 Styling Guide; 3.7.1 Notation and Naming; 3.7.2 Organization; 3.7.3 Syntax; Part II: Working with Different Types of Data in R; Chapter 4: Dealing with Numbers; 4.1 Integer vs. Double; 4.1.1 Creating Integer and Double Vectors; 4.1.2 Converting Between Integer and Double Values; 4.2 Generating Sequence of Non-random Numbers; 4.2.1 Specifing Numbers Within a Sequence; 4.2.2 Generating Regular Sequences.

4.3 Generating Sequence of Random Numbers.3.1 Uniform Numbers; 4.3.2 Normal Distribution Numbers; 4.3.3 Binomial Distribution Numbers; 4.3.4 Poisson Distribution Numbers; 4.3.5 Exponential Distribution Numbers; 4.3.6 Gamma Distribution Numbers; 4.4 Setting the Seed for Reproducible Random Numbers; 4.5 Comparing Numeric Values; 4.5.1 Comparison Operators; 4.5.2 Exact Equality; 4.5.3 Floating Point Comparison; 4.6 Rounding Numbers; Chapter 5: Dealing with Character Strings; 5.1 Character String Basics; 5.1.1 Creating Strings; 5.1.2 Converting to Strings; 5.1.3 Printing Strings.

5.1.4 Counting String Elements and Characters.2 String Manipulation with Base R; 5.2.1 Case Conversion; 5.2.2 Simple Character Replacement; 5.2.3 String Abbreviations; 5.2.4 Extract/Replace Substrings; 5.3 String Manipulation with string; 5.3.1 Basic Operations; 5.3.2 Duplicate Characters Within a String; 5.3.3 Remove Leading and Trailing Whitespace; 5.3.4 Pad a String with Whitespace; 5.4 Set Operators for Character Strings; 5.4.1 Set Union; 5.4.2 Set Intersection; 5.4.3 Identifying Different Elements; 5.4.4 Testing for Element Equality; 5.4.5 Testing for Exact Equality.

5.4.6 Identifying If Elements Are Contained in a Strings.4.7 Sorting a String; Chapter 6: Dealing with Regular Expressions; 6.1 Regex Syntax; 6.1.1 Metacharacters; 6.1.2 Sequences; 6.1.3 Character Classes; 6.1.4 POSIX Character Classes; 6.1.5 Quantifiers; 6.2 Regex Functions; 6.2.1 Main Regex Functions in R; 6.2.1.1 Pattern Matching; 6.2.1.2 Pattern Replacement Functions; 6.2.1.3 Splitting Character Vectors; 6.2.2 Regex Functions in string r; 6.2.2.1 Detecting Patterns; 6.2.2.2 Locating Patterns; 6.2.2.3 Extracting Patterns; 6.2.2.4 Replacing Patterns; 6.2.2.5 String Splitting.

Notes:

6.3 Additional Resources.

Electronic reproduction. Palo Alto, Calif. Available via World Wide Web.

Description based on online resource; title from digital title page (viewed on January 03, 2017).

Other Format:

Print version: Boehmke, Bradley. Data Wrangling with R.

ISBN:

9783319455990

3319455990

Publisher Number:

99970107502

Access Restriction:

Restricted for use by site license.