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出版者:Springer

作者:Hadley Wickham

出品人:

页数:221

译者:

出版时间:2009-8-7

价格:USD 69.95

装帧:Paperback

isbn号码:9780387981406

丛书系列:Use R

图书标签:

R
可视化
ggplot2
数据分析
统计
Statistics
计算机
Springer
ggplot2
data visualization
R programming
graphics
data science
plotting

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具体描述

This book describes ggplot2, a new data visualization package for R that uses the insights from Leland Wilkison''s Grammar of Graphics to create a powerful and flexible system for creating data graphics. With ggplot2, it''s easy to:

* produce handsome, publication-quality plots, with automatic legends created from the plot specification

* superpose multiple layers (points, lines, maps, tiles, box plots to name a few) from different data sources, with automatically adjusted common scales

* add customisable smoothers that use the powerful modelling capabilities of R, such as loess, linear models, generalised additive models and robust regression

* save any ggplot2 plot (or part thereof) for later modification or reuse

* create custom themes that capture in-house or journal style requirements, and that can easily be applied to multiple plots

* approach your graph from a visual perspective, thinking about how each component of the data is represented on the final plot.

This book will be useful to everyone who has struggled with displaying their data in an informative and attractive way. You will need some basic knowledge of R (i.e. you should be able to get your data into R), but ggplot2 is a mini-language specifically tailored for producing graphics, and you''ll learn everything you need in the book. After reading this book you''ll be able to produce graphics customized precisely for your problems, and you''ll find it easy to get graphics out of your head and on to the screen or page.

作者简介

Hadley Wickham，RStudio首席科学家，美国莱斯大学统计学助理教授，毕业于爱荷华州立大学统计系。Hadley是R社区最活跃的人之一，代码风格独树一帜，致力于开发用于数据处理、分析、成像的工具，截至2012年已经开发了超过30个高质量的R软件包，比如ggplot2, lubridate,plyr, reshape2, stringr, httr等。

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读后感

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我读晚了。网上有很多关于ggplot2的教程，大多不够系统，有很多原理上的东西没讲清楚。不知道原理的后果就是每次要做不太一样的图的时候，就要GOOGLE具体的图怎么画，因为不能理解图的生成过程和图的组成部件。这本书是ggplot的最初的开发者写的，不仅用很多例子讲了怎么用gg...

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首先，从 qplot 入门并不是说完全没有必要，做一个引子还是可以的，但是它又引入了太多的细节，然而又没有细讲，也没有说后面第几章会 cover 到这部分的内容，使得第二章读起来异常痛苦，时常需要停下来 google。其实后面都有讲，从而这本书其实是越读越快的，只是体验有点糟糕...

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感谢Wilkinson提出的图形语法！！感谢Wickham将Wilkinson语法带到了ggplot2中！！！从大三到研一，将近三年，每次读都有不同的感觉和收获！不仅是在R中，这套图形语法的思想可以延伸至其它统计图形的方方面面！准备再读一下Wilkinson的The Grammar of Graphics，深入了解这...

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