[R] Create simulated data's using mvrnorm
ligges at statistik.tu-dortmund.de
Fri Jul 8 13:28:43 CEST 2011
Not sure if I understand your problem completely.
If so, you could try to run an LDA on the x with y as classlabels
factor(rep(1:3, each=10)) and see if it can perfectly separate the classes.
On 06.07.2011 17:31, Aparna Sampath wrote:
> Hi All
> This might be something very trivial but I seem to miss something in the
> syntax or logic which makes me keep wandering around the problem without
> arriving at a solution.
> What I want to do is to simulate a sample data for performing cluster
> analysis. I tried to use
> x1= mvrnorm(10,rep(0.8,3),diag(3))
> x2= mvrnorm(10,rep(0,3),diag(3))
> x3= mvrnorm(10,rep(-0.5,3),diag(3))
> I would like use table() to see if the separation is wide apart such that
> the first 10 rows of x are clustered together. for eg: when I use table()
> and if I get an ouptut like
> 1 2 3
> 1 10 0 0
> 2 0 10 0
> 3 0 0 10
> Is there any way to get this kind of output?
> Thanks a lot! :)
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