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  • Book Overview & Buying R Graph Essentials
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R Graph Essentials

R Graph Essentials

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R Graph Essentials

R Graph Essentials

4.5 (4)
Buy this Book

Overview of this book

This book is targeted at R programmers who want to learn the graphing capabilities of R. This book will presume that you have working knowledge of R.
Table of Contents (6 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Base Graphics in R – One Step at a Time
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1. Base Graphics in R – One Step at a Time
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Learning basic graphics techniques
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Creating and joining points
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Creating scatterplots and line plots
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Colors in R
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Passing parameter values to titles and labels
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Including a regression line
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Graphing mathematical functions
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R provides many options
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Creating graphs with several curves
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Customizing your axes
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Creating axis labels
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Creating multiple graphs on the same page
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Saving your graphs
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Including mathematical expressions on your plots
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Summary
2
2. Advanced Functions in Base Graphics
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2. Advanced Functions in Base Graphics
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Reading datasets into R
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Including a regression line and residuals
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A medical dataset to create graphs
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Creating complex multiple axes
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Including a grid on your graph
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Shading and coloring your graph
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Creating bar charts
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R's color palettes
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Using smoothers on your graph
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Creating scatterplot matrices
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Summary
3
3. Mastering the qplot Function
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3. Mastering the qplot Function
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About qplot
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The qplot syntax
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Producing scatterplots using qplot
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Subsetting your data before graphing
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Mapping aesthetics to categorical variables
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Controlling colors on your graph
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Setting up graphs as objects
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Creating facet plots
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Creating line graphs using qplot
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Creating multiple curves simultaneously
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Including smoothed curves
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Creating histograms with qplot
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Creating facet plots for histograms
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Creating kernel density plots
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Creating bar charts
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Creating boxplots
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Creating graphs with dates
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Summary
4
4. Creating Graphs with ggplot
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4. Creating Graphs with ggplot
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Getting started with ggplot
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Mapping color, shape, and size to a variable
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Creating attractive color schemes
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Creating curves for each factor level
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Creating histograms
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Creating bar charts
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Creating boxplots
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Labeling points with text
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Including regression lines
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Summary
5
Index
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Index

Chapter 2. Advanced Functions in Base Graphics

The goal of this chapter is to enable you to create different types of graphs in R. In Chapter 1, Base Graphics in R – One Step at a Time, you created scatterplots and line plots. Now in this chapter, you will learn how to create other types of graphs, including bar charts, histograms, boxplots, pie charts, and dotcharts. Topics covered in this chapter include the following:

  • Including a regression line and residuals in your graph
  • Creating complex multiple axes
  • Including grid lines and point labels
  • Shading and coloring your graph
  • Creating bar charts, histograms, boxplots, pie charts, and dotcharts
  • Adding LOWESS smoothers to your graph
  • Creating scatterplot matrices
  • Adding error bars

After working through this chapter, you should understand the principles behind certain advanced plotting functions and should be able to create a wide range of graphs for research and analysis.

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R Graph Essentials
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