A tiny handbook of R / Mike Allerhand.

Format:

Book

Author/Creator:

Allerhand, Michael.

Series:

SpringerBriefs in statistics

SpringerBriefs in statistics, 2191-5458

Language:

English

Subjects (All):

R (Computer program language)--Handbooks, manuals, etc.

R (Computer program language).

Statistics--Computer programs--Handbooks, manuals, etc.

Statistics.

Statistics--Computer programs.

Genre:

Handbooks and manuals.

Physical Description:

ix, 83 pages ; 23 cm.

Place of Publication:

Heidelberg ; New York : Springer, [2011]

Contents:

1 Introduction to R 1

1.1 Why Command Lines and Scripts? 1

1.1.1 The R Console 2

1.1.2 Variables 3

1.1.3 Functions 3

1.2 Finding Functions and Getting Help 5

1.2.1 Libraries 5

1.2.2 Packages 5

1.2.3 Finding Functions 6

1.2.4 Getting Help 6

1.3 R Projects 9

1.3.1 Saving Your Session 9

1.3.2 Scripts 10

2 Data Structures 11

2.1 Data Structures 11

2.1.1 Vectors, Matrices, and Arrays 11

2.1.2 Data Frames and Lists 12

2.1.3 Creating Data 13

2.1.4 Sampling Data 16

2.1.5 Reading Data 17

2.2 Operations on Vectors and Matrices 19

2.2.1 Arithmetic Functions 19

2.2.2 Descriptive Functions 19

2.2.3 Operators and Expressions 20

2.3 Factors 24

2.3.1 Making Factors 25

2.3.2 Operations on Factors 26

2.3.3 Re-ordering and Re-labelling 27

2.4 Indexing 27

2.4.1 Indexing by Name 28

2.4.2 Indexing by Number 29

2.4.3 Inserting and Deleting Rows or Columns 30

2.4.4 Indexing with Factors 31

2.4.5 Conditional Indexing 31

2.4.6 Sorting 32

2.5 Reshaping 33

2.5.1 Stacking and Unstacking? 34

2.5.2 Reshaping: Wide and Long 34

2.5.3 Merging 35

2.6 Missing Values 36

2.6.1 Recoding Missing Values 36

2.6.2 Operations with Missing Values 36

2.6.3 Counting and Sorting Missing Values 37

2.6.4 Handling Missing Values 37

2.7 Mapping Functions 38

2.7.1 Repeated Evaluation 39

2.7.2 Applying Functions 39

2.8 Writing Functions 40

2.8.1 Anonymous Functions 41

2.8.2 Optional Arguments 41

3 Tables and Graphs 43

3.1 Tables 43

3.1.1 Frequency Tables 44

3.1.2 Tables of Cell Means and Other Summaries 46

3.1.3 Saving Tables 47

3.2 Graphs 48

3.2.1 Base Graphics 48

3.2.2 Lattice Graphics 54

3.2.3 Multiple Plot Layout 55

3.2.4 Saving Graphics 57

4 Hypothesis Tests 59

4.1 Probability Distributions 59

4.2 Hypothesis Tests 60

4.2.1 How to Run a t test 60

5 Linear Models 63

5.1 Model Formulas 63

5.1.1 Formula and Data Frame 65

5.1.2 Updating Model Fits 65

5.2 General Linear Models 66

5.2.1 Regression Diagnostics 67

5.2.2 Testing the Regression Coefficients 67

5.2.3 Prediction 68

5.2.4 Stepwise Regression 68

5.2.5 Extracting Information from the Fit Object 69

5.2.6 Residualizing 69

5.3 ANOVA 70

5.3.1 ANOVA Tables 71

5.3.2 Comparisons 74

5.4 Learning R 80.

ISBN:

3642179797

9783642179792

OCLC:

704384641

Publisher Number:

99943886785