I think you need to reset the par(mfrow=c(2,2)) before plotting the second set of graphs.
--- Ben Tupper <[EMAIL PROTECTED]> 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 > [EMAIL PROTECTED] > > I GoodSearch for Ashwood Waldorf School. > > Raise money for your favorite charity or school just > by searching the > Internet with GoodSearch - www.goodsearch.com - > powered by Yahoo! > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.