R for data science: import, tidy, transform, visualize, and model data
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Beijing ; Boston ; Farnham ; Sebastopol ; Tokyo
O'Reilly
December 2016
|
| Ausgabe: | First edition |
| Schlagworte: | |
| Online-Zugang: | Cover Inhaltsverzeichnis |
| Beschreibung: | Hier auch später erschienene, unveränderte Nachdrucke |
| Beschreibung: | xxv, 492 Seiten Illustrationen, Diagramme (farbig) |
| ISBN: | 9781491910399 |
Internformat
MARC
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| 100 | 1 | |a Wickham, Hadley |e Verfasser |0 (DE-588)1068547812 |4 aut | |
| 245 | 1 | 0 | |a R for data science |b import, tidy, transform, visualize, and model data |c Hadley Wickham and Garrett Grolemund |
| 250 | |a First edition | ||
| 264 | 1 | |a Beijing ; Boston ; Farnham ; Sebastopol ; Tokyo |b O'Reilly |c December 2016 | |
| 264 | 4 | |c © 2017 | |
| 300 | |a xxv, 492 Seiten |b Illustrationen, Diagramme (farbig) | ||
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Datensatz im Suchindex
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| adam_text |
Table of Contents
Preface
ix
Part I. Explore
Data Visualization with ggplot2. . 3
Introduction 3
First Steps 4
Aesthetic Mappings 7
Common Problems 13
Facets 14
Geometric Objects 16
Statistical Transformations 22
Position Adjustments 27
Coordinate Systems 31
The Layered Grammar of Graphics 34
Workflow: Basics.
Coding Basics 37
Whats in a Name? 38
Calling Functions 39
Data Transformation with dplyr.
Introduction 43
Filter Rows with filterQ 45
Arrange Rows with arrangeQ 50
Select Columns with selectQ 51
iii
Add New Variables with mutate()
Grouped Summaries with summarizeQ
Grouped Mutates (and Filters)
54
59
73
Workflow: Scripts. . 77
Running Code 78
RStudio Diagnostics 79
Exploratory Data Analysis. . 81
Introduction 81
Questions 82
Variation 83
Missing Values 91
Covariation 93
Patterns and Models 105
ggplot2 Calls 108
Learning More 108
Workflow: Projects.*. . 111
What Is Real? 111
Where Does Your Analysis Live? 113
Paths and Directories 113
RStudio Projects 114
Summary 116
Partii. Wrangle
Tibbies withtibble. . 119
Introduction 119
Creating Tibbies 119
Tibbies Versus data.frame 121
Interacting with Older Code 123
Data Import with readr.*, . 125
Introduction 125
Getting Started 125
Parsing a Vector 129
Parsing a File 137
Writing to a File 143
Other Types of Data 145
iv | Table of Contents
9. Tidy Data with tidyr. 147
Introduction 147
Tidy Data 148
Spreading and Gathering 151
Separating and Pull 157
Missing Values 161
Case Study 163
Nontidy Data 168
10. Relational Data with dplyr.171
Introduction 171
nycflightsl3 172
Keys 175
Mutating Joins 178
Filtering Joins 188
Join Problems 191
Set Operations 192
11. Strings with stringr. 195
Introduction 195
String Basics 195
Matching Patterns with Regular Expressions 200
Tools 207
Other Types of Pattern 218
Other Uses of Regular Expressions 221
stringi 222
12. Factors with forcats. 223
Introduction 223
Creating Factors 224
General Social Survey 225
Modifying Factor Order 227
Modifying Factor Levels 232
13. Dates and Times with lubridate. 237
Introduction 237
Creating Date/Times 238
Date-Time Components 243
Time Spans 249
Time Zones 254
Table of Contents | v
Partili. Program
14. Pipes with magrittr.261
Introduction 261
Piping Alternatives 261
When Not to Use the Pipe 266
Other Tools from magrittr 267
15. Functions. 269
Introduction 269
When Should You Write a Function? 270
Functions Are for Humans and Computers 273
Conditional Execution 276
Function Arguments 280
Return Values 285
Environment 288
16. Vectors. 291
Introduction 291
Vector Basics 292
Important Types of Atomic Vector 293
Using Atomic Vectors 296
Recursive Vectors (Lists) 302
Attributes 307
Augmented Vectors 309
17. Iteration with purrr. 313
Introduction 313
For Loops 314
For Loop Variations 317
For Loops Versus Functionals 322
The Map Functions 325
Dealing with Failure 329
Mapping over Multiple Arguments 332
Walk 335
Other Patterns of For Loops 336
vi I Table of Contents
Part IV. Model
18. Model Basics with modelr. 345
Introduction 345
A Simple Model 346
Visualizing Models 354
Formulas and Model Families 358
Missing Values 371
Other Model Families 372
19. Model Building. 375
Introduction 375
Why Are Low-Quality Diamonds More Expensive? 376
What Affects the Number of Daily Flights? 384
Learning More About Models 396
20. Many Models with purrr and broom.397
Introduction 397
gapminder 398
List-Columns 409
Creating List-Columns 411
Simplifying List-Columns 416
Making Tidy Data with broom 419
PartV. Communicate
21. R Markdown.423
Introduction 423
R Markdown Basics 424
Text Formatting with Markdown 427
Code Chunks 428
Troubleshooting 435
YAML Header 435
Learning More 438
22. Graphics for Communication with ggplot2. 441
Introduction 441
Label 442
Annotations 445
Tabie of Contents | vii
Scales 451
Zooming 461
Themes 462
Saving Your Plots 464
Learning More 467
23. R Markdown Formats
Introduction
Output Options
Documents
Notebooks
Presentations
Dashboards
Interactivity
Websites
Other Formats
Learning More
469
469
470
470
471
472
473
474
477
477
478
24. R Markdown Workflow
479
Index
483
viii | Table of Contents |
| any_adam_object | 1 |
| author | Wickham, Hadley Grolemund, Garrett |
| author_GND | (DE-588)1068547812 (DE-588)1058224441 |
| author_facet | Wickham, Hadley Grolemund, Garrett |
| author_role | aut aut |
| author_sort | Wickham, Hadley |
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| building | Verbundindex |
| bvnumber | BV043010449 |
| classification_rvk | AK 85900 CM 4400 ST 250 ST 600 ST 601 |
| classification_tum | DAT 307f |
| ctrlnum | (OCoLC)973021170 (DE-599)BSZ446705403 |
| discipline | Allgemeines Informatik Psychologie |
| edition | First edition |
| format | Book |
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| id | DE-604.BV043010449 |
| illustrated | Illustrated |
| indexdate | 2025-02-20T07:15:50Z |
| institution | BVB |
| isbn | 9781491910399 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-028435412 |
| oclc_num | 973021170 |
| open_access_boolean | |
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| physical | xxv, 492 Seiten Illustrationen, Diagramme (farbig) |
| publishDate | 2016 |
| publishDateSearch | 2016 |
| publishDateSort | 2016 |
| publisher | O'Reilly |
| record_format | marc |
| spellingShingle | Wickham, Hadley Grolemund, Garrett R for data science import, tidy, transform, visualize, and model data Datenanalyse (DE-588)4123037-1 gnd R Programm (DE-588)4705956-4 gnd Data Science (DE-588)1140936166 gnd |
| subject_GND | (DE-588)4123037-1 (DE-588)4705956-4 (DE-588)1140936166 |
| title | R for data science import, tidy, transform, visualize, and model data |
| title_auth | R for data science import, tidy, transform, visualize, and model data |
| title_exact_search | R for data science import, tidy, transform, visualize, and model data |
| title_full | R for data science import, tidy, transform, visualize, and model data Hadley Wickham and Garrett Grolemund |
| title_fullStr | R for data science import, tidy, transform, visualize, and model data Hadley Wickham and Garrett Grolemund |
| title_full_unstemmed | R for data science import, tidy, transform, visualize, and model data Hadley Wickham and Garrett Grolemund |
| title_short | R for data science |
| title_sort | r for data science import tidy transform visualize and model data |
| title_sub | import, tidy, transform, visualize, and model data |
| topic | Datenanalyse (DE-588)4123037-1 gnd R Programm (DE-588)4705956-4 gnd Data Science (DE-588)1140936166 gnd |
| topic_facet | Datenanalyse R Programm Data Science |
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| work_keys_str_mv | AT wickhamhadley rfordatascienceimporttidytransformvisualizeandmodeldata AT grolemundgarrett rfordatascienceimporttidytransformvisualizeandmodeldata |
Inhaltsverzeichnis
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2000 ST 250 R01 W637 |
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