R Graph Cookbook电子书

R Graphs Cookbook Second Edition

Table of Contents

R Graphs Cookbook Second Edition

Credits

About the Authors

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. R Graphics

Base graphics using the default package

Trellis graphs using lattice

Graphs inspired by Grammar of Graphics

2. Basic Graph Functions

Introduction

Creating basic scatter plots

Getting ready

How to do it...

How it works...

There's more...

A note on R's built-in datasets

See also

Creating line graphs

Getting ready

How to do it...

How it works...

There's more...

See also

Creating bar charts

Getting ready

How to do it...

How it works...

There's more...

See also

Creating histograms and density plots

How to do it...

How it works...

There's more...

See also

Creating box plots

Getting ready

How to do it...

How it works...

There's more...

See also

Adjusting x and y axes' limits

How to do it...

How it works...

There's more...

See also

Creating heat maps

How to do it...

How it works...

There's more...

See also

Creating pairs plots

How to do it...

How it works...

There's more...

See also

Creating multiple plot matrix layouts

How to do it...

How it works...

There's more...

See also

Adding and formatting legends

Getting ready

How to do it...

How it works...

There's more...

See also

Creating graphs with maps

Getting ready

How to do it...

How it works...

There's more...

See also

Saving and exporting graphs

How to do it...

How it works...

There's more...

See also

3. Beyond the Basics – Adjusting Key Parameters

Introduction

Setting colors of points, lines, and bars

Getting ready

How to do it...

How it works...

There's more...

See also

Setting plot background colors

Getting ready

How to do it...

How it works...

There's more...

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

Getting ready

How to do it...

How it works...

There's more...

Choosing color combinations and palettes

Getting ready

How to do it...

How it works...

There's more...

See also

Setting fonts for annotations and titles

Getting ready

How to do it...

How it works...

There's more...

See also

Choosing plotting point symbol styles and sizes

Getting ready

How to do it...

How it works...

There's more...

See also

Choosing line styles and width

Getting ready

How to do it...

How it works...

See also

Choosing box styles

Getting ready

How to do it...

How it works...

There's more...

Adjusting axis annotations and tick marks

Getting ready

How to do it...

How it works...

There's more...

See also

Formatting log axes

Getting ready

How to do it...

How it works...

There's more...

Setting graph margins and dimensions

Getting ready

How to do it...

How it works...

See also

4. Creating Scatter Plots

Introduction

Grouping data points within a scatter plot

Getting ready

How to do it...

How it works...

There's more...

See also

Highlighting grouped data points by size and symbol type

Getting ready

How to do it...

How it works...

Labeling data points

Getting ready

How to do it...

How it works...

There's more...

Correlation matrix using pairs plots

Getting ready

How to do it...

How it works...

Adding error bars

Getting ready

How to do it...

How it works...

There's more...

Using jitter to distinguish closely packed data points

Getting ready

How to do it...

How it works...

Adding linear model lines

Getting ready

How to do it...

How it works...

Adding nonlinear model curves

Getting ready

How to do it...

How it works...

Adding nonparametric model curves with lowess

Getting ready

How to do it...

How it works...

Creating three-dimensional scatter plots

Getting ready

How to do it...

How it works...

There's more...

Creating Quantile-Quantile plots

Getting ready

How to do it...

How it works...

There's more...

Displaying the data density on axes

Getting ready

How to do it...

How it works...

There's more...

Creating scatter plots with a smoothed density representation

Getting ready

How to do it...

How it works...

There's more...

5. Creating Line Graphs and Time Series Charts

Introduction

Adding customized legends for multiple-line graphs

Getting ready

How to do it...

How it works...

There's more...

See also

Using margin labels instead of legends for multiple-line graphs

Getting ready

How to do it...

How it works...

There's more...

Adding horizontal and vertical grid lines

Getting ready

How to do it...

How it works...

There's more...

See also

Adding marker lines at specific x and y values using abline

Getting ready

How to do it...

How it works...

There's more...

Creating sparklines

Getting ready

How to do it...

How it works...

Plotting functions of a variable in a dataset

Getting ready

How to do it...

How it works...

There's more...

Formatting time series data for plotting

Getting ready

How to do it...

How it works...

There's more...

Plotting the date or time variable on the x axis

Getting ready

How to do it...

How it works...

There's more...

Annotating axis labels in different human-readable time formats

Getting ready

How to do it...

How it works...

There's more...

Adding vertical markers to indicate specific time events

Getting ready

How to do it...

How it works...

There's more...

Plotting data with varying time-averaging periods

Getting ready

How to do it...

How it works...

Creating stock charts

Getting ready

How to do it...

How it works...

There's more...

6. Creating Bar, Dot, and Pie Charts

Introduction

Creating bar charts with more than one factor variable

Getting ready

How to do it...

How it works...

See also

Creating stacked bar charts

Getting ready

How to do it...

How it works...

There's more...

Adjusting the orientation of bars – horizontal and vertical

Getting ready

How to do it...

How it works...

There's more...

Adjusting bar widths, spacing, colors, and borders

Getting ready

How to do it...

How it works...

There's more...

Displaying values on top of or next to the bars

Getting ready

How to do it...

How it works...

There's more...

See also

Placing labels inside bars

Getting ready

How to do it...

How it works...

There's more...

Creating bar charts with vertical error bars

Getting ready

How to do it...

How it works...

There's more...

Modifying dot charts by grouping variables

Getting ready

How to do it...

How it works...

Making better, readable pie charts with clockwise-ordered slices

Getting ready

How to do it...

How it works...

See also

Labeling a pie chart with percentage values for each slice

Getting ready

How to do it...

How it works...

There's more...

See also

Adding a legend to a pie chart

Getting ready

How to do it...

How it works...

There's more...

7. Creating Histograms

Introduction

Visualizing distributions as count frequencies or probability densities

Getting ready

How to do it...

How it works...

There's more

Setting the bin size and the number of breaks

Getting ready

How to do it...

How it works...

There's more

Adjusting histogram styles – bar colors, borders, and axes

Getting ready

How to do it...

How it works...

There's more

Overlaying a density line over a histogram

Getting ready

How to do it...

How it works...

Multiple histograms along the diagonal of a pairs plot

Getting ready

How to do it...

How it works...

Histograms in the margins of line and scatter plots

Getting ready

How to do it...

How it works...

8. Box and Whisker Plots

Introduction

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

Getting ready

How to do it...

How it works...

There's more

See also

Grouping over a variable

Getting ready

How to do it...

How it works...

There's more

See also

Varying box widths by the number of observations

Getting ready

How to do it...

How it works...

Creating box plots with notches

Getting ready

How to do it...

How it works...

There's more

Including or excluding outliers

Getting ready

How to do it...

How it works...

See also

Creating horizontal box plots

Getting ready

How to do it...

How it works...

Changing the box styling

Getting ready

How to do it...

How it works...

There's more

Adjusting the extent of plot whiskers outside the box

Getting ready

How to do it...

How it works...

There's more

Showing the number of observations

Getting ready

How to do it...

How it works...

There's more

Splitting a variable at arbitrary values into subsets

Getting ready

How to do it...

How it works...

There's more

9. Creating Heat Maps and Contour Plots

Introduction

Creating heat maps of a single Z variable with a scale

Getting ready

How to do it...

How it works...

There's more

See also

Creating correlation heat maps

Getting ready

How to do it...

How it works...

There's more

Summarizing multivariate data in a single heat map

Getting ready

How to do it...

How it works...

There's more

Creating contour plots

Getting ready

How to do it...

How it works...

There's more

See also

Creating filled contour plots

Getting ready

How to do it...

How it works...

There's more

See also

Creating three-dimensional surface plots

Getting ready

How to do it...

How it works...

There's more

Visualizing time series as calendar heat maps

Getting ready

How to do it...

How it works...

There's more

10. Creating Maps

Introduction

Plotting global data by countries on a world map

Getting ready

How to do it...

How it works...

There's more

See also

Creating graphs with regional maps

Getting ready

How to do it...

How it works...

There's more

Plotting data on Google maps

Getting ready

How to do it...

How it works...

There's more

See also

Creating and reading KML data

Getting ready

How to do it...

How it works...

See Also

Working with ESRI shapefiles

Getting ready

How to do it...

How it works...

There's more

11. Data Visualization Using Lattice

Introduction

Creating bar charts

Getting ready

How to do it…

How it works…

There's more…

See also

Creating stacked bar charts

Getting ready

How to do it…

How it works…

There's more…

See also

Creating bar charts to visualize cross-tabulation

Getting ready

How to do it…

How it works…

There's more…

Creating a conditional histogram

Getting ready

How to do it…

How it works…

There's more…

See also

Visualizing distributions through a kernel-density plot

Getting ready

How to do it…

How it works…

There's more…

Creating a normal Q-Q plot

Getting ready

How to do it…

How it works…

There's more…

Visualizing an empirical Cumulative Distribution Function

Getting ready

How to do it…

How it works…

There's more…

Creating a boxplot

Getting ready

How to do it…

How it works…

There's more…

Creating a conditional scatter plot

Getting ready

How to do it…

How it works…

There's more…

12. Data Visualization Using ggplot2

Introduction

Creating bar charts

Getting ready

How to do it…

How it works…

There's more…

See also

Creating multiple bar charts

Getting ready

How to do it…

How it works…

There's more…

See also

Creating a bar chart with error bars

Getting ready

How to do it…

How it works…

There's more…

Visualizing the density of a numeric variable

Getting ready

How to do it...

How it works…

There's more...

Creating a box plot

Getting ready

How to do it...

How it works…

Creating a layered plot with a scatter plot and fitted line

Getting ready

How to do it...

How it works…

There's more...

Creating a line chart

Getting ready

How to do it...

How it works…

There's more...

Graph annotation with ggplot

Getting ready

How to do it...

How it works...

13. Inspecting Large Datasets

Introduction

Multivariate continuous data visualization

Getting ready

How to do it…

How it works…

There's more…

See also

Multivariate categorical data visualization

Getting ready

How to do it…

How it works…

There's more…

Visualizing mixed data

Getting ready

How to do it…

Zooming and filtering

Getting ready

How to do it...

How it works…

There's more...

14. Three-dimensional Visualizations

Introduction

Three-dimensional scatter plots

Getting ready

How to do it…

How it works…

There's more…

See also...

Three-dimensional scatter plots with a regression plane

Getting ready

How to do it…

How it works…

There's more…

Three-dimensional bar charts

Getting ready

How to do it…

How it works…

Three-dimensional density plots

Getting ready

How to do it...

How it works…

15. Finalizing Graphs for Publications and Presentations

Introduction

Exporting graphs in high-resolution image formats – PNG, JPEG, BMP, and TIFF

Getting ready

How to do it...

How it works...

There's more

See also

Exporting graphs in vector formats – SVG, PDF, and PS

Getting ready

How to do it...

How it works...

There's more

Adding mathematical and scientific notations (typesetting)

Getting ready

How to do it...

How it works...

There's more

Adding text descriptions to graphs

Getting ready

How to do it...

How it works...

There's more

Using graph templates

Getting ready

How to do it...

How it works...

There's more

Choosing font families and styles under Windows, Mac OS X, and Linux

Getting ready

How to do it...

How it works...

There's more

See also

Choosing fonts for PostScripts and PDFs

Getting ready

How to do it...

How it works...

There's more

Index