R Graphs Cookbook Second Edition

封面

版权页

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Support files eBooks discount offers and more

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Chapter 1. R Graphics

Base graphics using the default package

Trellis graphs using lattice

Graphs inspired by Grammar of Graphics

Chapter 2. Basic Graph Functions

Introduction

Creating basic scatter plots

Creating line graphs

Creating bar charts

Creating histograms and density plots

Creating box plots

Adjusting x and y axes' limits

Creating heat maps

Creating pairs plots

Creating multiple plot matrix layouts

Adding and formatting legends

Creating graphs with maps

Saving and exporting graphs

Chapter 3. Beyond the Basics – Adjusting Key Parameters

Introduction

Setting colors of points lines and bars

Setting plot background colors

Setting colors for text elements – axis annotations labels plot titles and legends

Choosing color combinations and palettes

Setting fonts for annotations and titles

Choosing plotting point symbol styles and sizes

Choosing line styles and width

Choosing box styles

Adjusting axis annotations and tick marks

Formatting log axes

Setting graph margins and dimensions

Chapter 4. Creating Scatter Plots

Introduction

Grouping data points within a scatter plot

Highlighting grouped data points by size and symbol type

Labeling data points

Correlation matrix using pairs plots

Adding error bars

Using jitter to distinguish closely packed data points

Adding linear model lines

Adding nonlinear model curves

Adding nonparametric model curves with lowess

Creating three-dimensional scatter plots

Creating Quantile-Quantile plots

Displaying the data density on axes

Creating scatter plots with a smoothed density representation

Chapter 5. Creating Line Graphs and Time Series Charts

Introduction

Adding customized legends for multiple-line graphs

Using margin labels instead of legends for multiple-line graphs

Adding horizontal and vertical grid lines

Adding marker lines at specific x and y values using abline

Creating sparklines

Plotting functions of a variable in a dataset

Formatting time series data for plotting

Plotting the date or time variable on the x axis

Annotating axis labels in different human-readable time formats

Adding vertical markers to indicate specific time events

Plotting data with varying time-averaging periods

Creating stock charts

Chapter 6. Creating Bar Dot and Pie Charts

Introduction

Creating bar charts with more than one factor variable

Creating stacked bar charts

Adjusting the orientation of bars – horizontal and vertical

Adjusting bar widths spacing colors and borders

Displaying values on top of or next to the bars

Placing labels inside bars

Creating bar charts with vertical error bars

Modifying dot charts by grouping variables

Making better readable pie charts with clockwise-ordered slices

Labeling a pie chart with percentage values for each slice

Adding a legend to a pie chart

Chapter 7. Creating Histograms

Introduction

Visualizing distributions as count frequencies or probability densities

Setting the bin size and the number of breaks

Adjusting histogram styles – bar colors borders and axes

Overlaying a density line over a histogram

Multiple histograms along the diagonal of a pairs plot

Histograms in the margins of line and scatter plots

Chapter 8. Box and Whisker Plots

Introduction

Creating box plots with narrow boxes for a small number of variables

Grouping over a variable

Varying box widths by the number of observations