如何减少图像尺寸？

如何减少图像的大小？如何减少图像尺寸？

\documentclass[a4paper]{article} 

\title{Sweave Example 1} 
\author{Friedrich Leisch} 

\begin{document} 

\maketitle 

In this example we embed parts of the examples from the 
\texttt{kruskal.test} help page into a \LaTeX{} document: 

<<>>= 
data(airquality) 
library(ctest) 
kruskal.test(Ozone ~ Month, data = airquality) 
@ 
which shows that the location parameter of the Ozone 
distribution varies significantly from month to month. Finally we 
include a boxplot of the data: 

\begin{center} 
<<fig=TRUE,echo=FALSE>>= 
boxplot(Ozone ~ Month, data = airquality) ## reduce image size so that can fit in window. 
@ 
\end{center} 

\end{document}

问候

来源

2012-04-25 Manish

我建议你使用一个不同的例子 - '库（CTEST）'不中的R 2.15支持了。我是否还建议您粘贴示例代码，以便可以在不进行重大编辑/重新格式化的情况下使用它？ - 可能像'<< fig = true，width = 6，height = 4 >> ='这样的东西可以提供帮助（参见Ross Ihaka，“定制Sweave”） – vaettchen 2012-04-25 05:50:49

尝试knitr代替Sweave。见out.width和out.heightoptions。

你的榜样应该是这样的：

\documentclass[a4paper]{article} 

\title{Sweave Example 1} 
\author{Friedrich Leisch} 

\begin{document} 

\maketitle 

In this example we embed parts of the examples from the 
\texttt{kruskal.test} help page into a \LaTeX{} document: 

<<>>= 
data(airquality) 
library(ctest) 
kruskal.test(Ozone ~ Month, data = airquality) 
@ 
which shows that the location parameter of the Ozone 
distribution varies significantly from month to month. Finally we 
include a boxplot of the data: 

<<plot,fig.align="center",out.width="0.8\\linewidth",echo=FALSE>>= 
boxplot(Ozone ~ Month, data = airquality) ## reduce image size so that can fit in window. 
@ 

\end{document}

来源

2013-01-01 13:47:05

如何减少图像尺寸？

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