[R] Multiple plots per window
p at fo76.org
p at fo76.org
Mon Sep 22 01:19:48 CEST 2008
sorry, as Mark Leeds pointed out to me, the row/column numbers where
mixed up in my example... happens when you cut & paste like mad from
your history... it should read as follows:
sales2.1 <- c(153,189,221,215,302,223,201,173,121,106,86,87,108,
133,177,241,228,283,255,238,164,128,108,87,74,95,
145,200,187,201,292,220,233,172,119,81,65,76,74,
111,170,243,178,248,202,163,139,120,96,95,53,94)
sales2.1.matrix <- sales2.1
dim(sales2.1.matrix) <- c(13,4)
sales2.1.dataframe <- as.data.frame(sales2.1.matrix)
names(sales2.1.dataframe) <- c("1995","1996","1997","1998")
Peter
Quoting p at fo76.org:
> Hi all,
>
> I'm currently working through "The Analysis of Time Series" by Chris
> Chatfield. In order to also get a better understanding of R, I play
> around with the examples and Exercises (no homework or assignement,
> just selfstudy!!).
>
> Exercise 2.1 gives the following dataset (sales figures for 4 week
> intervals):
>
>> sales2.1.dataframe
> 1995 1996 1997 1998
> 1 153 133 145 111
> 2 189 177 200 170
> 3 221 241 187 243
> 4 215 228 201 178
> 5 302 283 292 248
> 6 223 255 220 202
> 7 201 238 233 163
> 8 173 164 172 139
> 9 121 128 119 120
> 10 106 108 81 96
> 11 86 87 65 95
> 12 87 74 76 53
> 13 108 95 74 94
>
> I want to plot the histograms/densities for all four years in one window.
> After trying out a couple of things, I finally ended up with the following
> (it took me two hours - Ouch!):
>
> sales2.1 <- c(153,189,221,215,302,223,201,173,121,106,86,87,108,
> 133,177,241,228,283,255,238,164,128,108,87,74,95,
> 145,200,187,201,292,220,233,172,119,81,65,76,74,
> 111,170,243,178,248,202,163,139,120,96,95,53,94)
> sales2.1.matrix <- sales2.1
> dim(sales2.1.matrix) <- c(4,13)
> sales2.1.dataframe <- as.data.frame(sales2.1.matrix)
> names(sales2.1.dataframe) <- c("1995","1996","1997","1998")
>
> X11()
> split.screen(c(2,2))
> for (i in 1:4)
> {
> screen(i)
> hist(sales2.1.dataframe[[i]],
> probability=T,
> xlim=c(0,400),
> ylim=c(0,0.006),
> main=names(sales2.1.dataframe)[i],
> xlab="Sales")
> lines(density(sales2.1.dataframe[[i]]))
> }
> close.screen(all=TRUE)
>
> Although I'm happy that I finally got something that is pretty close
> to what I wanted, I'm not sure whether this is the best or most elegant
> way to do it. How would you do it? What functions/packages should I
> look into, in order to improve these plots?
>
> Thanks in advance for your comments and suggestions,
>
> Peter
>
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