[R] How to generate a figure using par( ) with some densityplot( )'s
Sundar Dorai-Raj
sundar.dorai-raj at pdf.com
Mon Jun 26 19:41:21 CEST 2006
Deepayan Sarkar wrote:
> On 6/26/06, Sundar Dorai-Raj <sundar.dorai-raj at pdf.com> wrote:
>
>>
>>
>> Amir Safari wrote:
>> >
>> > Hi Dear R users,
>> > For a pair plotting, usaully we use par( ) function. Apparently it
>> does not work anywhere. I want to have 3 plots in a single figure,
>> like this:
>> > par(mfrow=c(3,1))
>> > densityplot( a)
>> > densityplot(b)
>> > densityplot(c)
>> > But it does not work. How is it possible to have such a figure
>> with densityplot( ) in a single figure?
>> > So many thanks for any help.
>> > Amir Safari
>> >
>> >
>> >
>>
>> Assuming you are talking about densityplot in lattice, then you are
>> missing the point of lattice. You should try:
>>
>> library(lattice)
>> set.seed(1)
>> a <- rnorm(100)
>> b <- rnorm(50)
>> c <- rnorm(75)
>> densityplot(~a + b + c, outer = TRUE, layout = c(3, 1))
>
>
> This only works if a, b and c are of the same length. The following
> should work though:
>
> densityplot(~data | which,
> data = make.groups(a, b, c))
>
> -Deepayan
>
Hi, Deepayan,
My mistake. This is clear in ?densityplot. However, there is no warning
if the condition is not met and, apparently, recycling rules are applied.
Thanks,
--sundar
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