[R] storing ggplot objects as components of a vector

From: Gallego Liberman, Matias <m.gallego_at_isofoton.com>
Date: Fri, 15 Feb 2008 10:08:40 +0100


Hi.  

I have a lot of plots that i need to store as components of a vector. Here you have an example  

> DF<-data.frame(A=rnorm(12),B=c(1:12),C=rep(c(1:4),each=3))
> Q<-c()
> length(Q)<-3
> PAC<-geom_point(mapping=aes(x=A,y=B),data=DF[DF$C==1,])
> P<-ggplot()+PAC
> P #generates the plot
> Q[1]<-P

Warning message:
In Q[1] <- P :

  número de items para para sustituir no es un múltiplo de la longitud del reemplazo
> Q[1]

[[1]]
NULL     I guess the problem is the class of Q[1]. if so, what class should I coerce Q to for the sentence: > Q[1] to generate the plot as > P does?  

thanks in advance

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