[英]automatically adjust R plot size in a PDF output
When using the pdf()
function in R for saving a plot in an external file, we can specify width
and/or height
to adjust the size of the plot. 当使用R中的
pdf()
函数在外部文件中保存绘图时,我们可以指定width
和/或height
来调整绘图的大小。 However, there are situations when we obtain multiple plot (say using par(mfrow=c(2,4))
). 但是,有些情况下我们获得多个图(比如使用
par(mfrow=c(2,4))
)。 In this situation, it's kind of difficult to determine what is the best width
and height
for the PDF file in order to have all plots displayed properly. 在这种情况下,要确定PDF文件的最佳
width
和height
是多么困难,以便正确显示所有图形。 Is there a way to let R automatically "fit the plots" in the PDF file? 有没有办法让R自动“适应PDF文件中的图”? I searched the arguments in
pdf()
and tried some, but the results are not satisfactory. 我搜索了
pdf()
的参数并尝试了一些,但结果并不令人满意。 Thank you very much! 非常感谢你!
How about something using ggplot? 用ggplot怎么样?
require(ggplot2)
# Bogus data
x <- rnorm(10000)
y <- as.factor(round(rnorm(10000, mean=10, sd=2), 0))
df <- data.frame(vals=x, factors=y)
myplot <- ggplot(data=df, aes(x=vals)) +
geom_density() +
facet_wrap(~ factors)
ggsave(filename="~/foo.pdf", plot=myplot, width=8, height=10, units="in")
EDIT: Should you need to print over multiple pages, see this question . 编辑:如果您需要打印多个页面,请参阅此问题 。
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