Another solution is using grid.arrange in the gridExtra package. This works
like the par(mfrow=...) command, but for grid-based graphics like lattice and
ggplot2
On Nov 8, 2010, at 1:19 PM, Marcus Drescher wrote:
> Dear all,
>
> I am trying (!!!) to generate pdfs that have 8 plots on one page:
>
>
> df = data.frame(
> day = c(1,2,3,4),
> var1 = c(1,2,3,4),
> var2 = c(100,200,300,4000),
> var3 = c(10,20,300,40000),
> var4 = c(100000,20000,30000,4000),
> var5 = c(10,20,30,40),
> var6 = c(0.001,0.002,0.003,0.004),
> var7 = c(123,223,123,412),
> var8 = c(213,123,234,435),
> all = as.factor(c(1,1,1,1)))
>
> pdf("test1.pdf", width=20, heigh=27, paper="a4")
> print(plot(groupedData(var1 ~ day | all, data = df), main = "var1",
> xlab="", ylab=""), split=c(1,1,2,4), more=TRUE)
> print(plot(groupedData(var2 ~ day | all, data = df), main = "var2",
> xlab="", ylab=""), split=c(1,2,2,4), more=TRUE)
> print(plot(groupedData(var3 ~ day | all, data = df), main = "var3",
> xlab="", ylab=""), split=c(1,3,2,4), more=TRUE)
> print(plot(groupedData(var4 ~ day | all, data = df), main = "var4",
> xlab="", ylab=""), split=c(1,4,2,4), more=TRUE)
> print(plot(groupedData(var5 ~ day | all, data = df), main = "var5",
> xlab="", ylab=""), split=c(2,1,2,4), more=TRUE)
> print(plot(groupedData(var6 ~ day | all, data = df), main = "var6",
> xlab="", ylab=""), split=c(2,2,2,4), more=TRUE)
> print(plot(groupedData(var7 ~ day | all, data = df), main = "var7",
> xlab="", ylab=""), split=c(2,3,2,4), more=TRUE)
> print(plot(groupedData(var8 ~ day | all, data = df), main = "var8",
> xlab="", ylab=""), split=c(2,4,2,4))
> dev.off()
>
>
> My problem is that the separate plots all have different sizes. (Some are
> tall, but very small, or the other way around. The target is to have equally
> tall and wide graphs. (The variables have different scales. Grouping does not
> work.)
>
> Optimally, the plots would use the complete pdf page.
>
> Any ideas how to adjust height and width?
>
> Best
> Marcus
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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