[R] suggestions for plotting 5000 data points
ligges at statistik.tu-dortmund.de
Fri Oct 3 16:25:19 CEST 2008
Typical suggestions would be to sample from the data or use alpha
Tania Oh wrote:
> Dear all,
> I have a collection of 5000 entries which represent the evolutionary
> rates of 3 animals.
> I would like to show the differences between the rates of all 3 animals
> and have tried using the function parallel (from the lattice package)
> and pairs() function.
> The parallel function would have been perfect save for the large number
> of data (5000). The pairs() function doesn't show the difference
> explicitly. Does anyone have any suggestions on representing such data
> or have done similar plots?
> I attach some simulated data:
> mat3 <-matrix(sample(1:5000),nrow=5000,ncol=3, byrow=TRUE)
> colnames(mat3) <- c("human","mouse", "chicken")
> mat3 <-data.frame(mat3)
> mat2$model <- factor( rep( "Model 3"), labels="model3")
> ## code I used for parallel
> parallel( ~ mat3[1:3]|model , mat3,varnames = c("human\ndnds",
> "mouse\ndnds", "chicken\ndnds") )
> any suggestions or pointers would be greatly appreciated.
> many thanks
> D.phil student
> Department of Physiology, Anatomy and Genetics
> R-help at r-project.org mailing list
> PLEASE do read the posting guide
> and provide commented, minimal, self-contained, reproducible code.
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