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Hrishi Mittal, "R Graph Cookbook"
Pa ckt Pub lishing | 2011 | ISBN: 1849513066 | 272 pages | PDF | 7,7 MB
Detailed hands-on recipes for creating the most useful types of graphs in R - starting from the simplest versions to more advanced applications
Learn to draw any type of graph or visual data representation in R
Filled with practical tips and techniques for creating any type of graph you need; not just theoretical explanations
All examples are accompanied with the corresponding graph images, so you know what the results look like
Each recipe is independent and contains the complete explanation and code to perform the task as efficiently as possible
In Detail
With more than two million users worldwide, R is one of the most popular open source projects. It is a free and robust statistical programming environment with very powerful graphical capabilities. Analyzing and visualizing data with R is a necessary skill for anyone doing any kind of statistical analysis, and this book will help you do just that in the easiest and most efficient way possible.
Unlike other books on R, this book takes a practical, hands-on approach and you dive straight into creating graphs in R right from the very first page.
You want to harness the power of this open source programming language to visually present and analyze your data in the best way possible - and this book will show you how.
The R Graph Cookbook takes a practical approach to teaching how to create effective and useful graphs using R. This practical guide begins by teaching you how to make basic graphs in R and progresses through subsequent dedicated chapters about each graph type in depth. It will demystify a lot of difficult and confusing R functions and parameters and enable you to construct and modify data graphics to suit your analysis, presentation, and publication needs.
You will learn all about making graphics such as scatter plots, line graphs, bar charts, pie charts, dot plots, heat maps, histograms and box plots. In addition, there are detailed recipes on making various combinations and advanced versions of these graphs. Dedicated chapters on polishing and finalizing graphs will enable you to produce professional-quality graphs for presentation and publication. With R Graph Cookbook in hand, making graphs in R has never been easier
What you will learn from this book
Construct multiple graph matrix layouts
Summarize multivariate datasets with a single graph
Create custom graph functions to avoid code repetition
Make and re-use visual themes for graphs
Save and export graphs in various formats to print or publish
Learn to use fonts and annotations in graphs on Windows, Mac, and Linux
Combine different graph types to give a better visual summary of complex datasets
Present geographical data on maps
Use heatmaps to spot trends and anomalies in large datasets
Add scientific annotations and formulae to label graphs
Add text descriptions to create graph presentation handouts
Create beautiful color palettes and apply them to graphs
书中例子所用到的数据集在rar压缩文件中
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