[R] multiple plots per page using hist and pdf

[John Kane]

I think you need to reset the par(mfrow=c(2,2)) before
plotting the second set of graphs.  


--- Ben Tupper <PemaquidRiver at tidewater.net> wrote:

> Hello,
> 
> I am puzzled by the behavior of hist() when
> generating multiple plots  
> per page on the pdf device. In the following example
> two pdf files  
> are generated. The first results in 4 plots on one
> pdf page as  
> expected.  However, the second, which swaps one of
> the plot() calls  
> for hist(), results in a 4 page pdf with one plot
> per page.
> 
> How might I get the histogram with 3 other scatter
> plots onto a  
> single pdf page?
> 
> platform       powerpc-apple-darwin8.10.1
> version.string R version 2.6.1 (2007-11-26)
> 
> Thanks!
> Ben
> 
> ###BEGIN
> data(iris)
> 
> orig.par = par(no.readonly = TRUE)
> 
> pdf(file = "just_plots.pdf")
> 
> par(mfrow=c(2,2))
> 
> plot(iris$Sepal.Length, iris$Sepal.Width, main =
> "Plot 1")
> plot(iris$Petal.Length, iris$Petal.Width, main =
> "Plot 2")
> plot(iris$Sepal.Length, iris$Petal.Length, main =
> "Plot 3")
> plot(iris$Sepal.Width, iris$Petal.Width, main =
> "Plot 4")
> 
> dev.off()
> 
> pdf(file = "hist_and_plots.pdf")
> 
> hist(iris$Sepal.Length, main = "Plot 1")
> plot(iris$Petal.Length, iris$Petal.Width, main =
> "Plot 2")
> plot(iris$Sepal.Length, iris$Petal.Length, main =
> "Plot 3")
> plot(iris$Sepal.Width, iris$Petal.Width, main =
> "Plot 4")
> 
> dev.off()
> 
> 
> par(orig.par)
> ###END
> 
> Ben Tupper
> PemaquidRiver at tidewater.net
> 
> I GoodSearch for Ashwood Waldorf School.
> 
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