
Hi, I would plot a Henon map:

> plot(henon(start=rnorm(2), a=1.4, b=0.3, n.sample=2000, n.transient=10),pch=".",cex=0.1)

but give me some errors:

Error in henon(start = rnorm(2), a = 1.4, b = 0.3, n.sample = 2000, n.transient = 10) : 
  could not find function "checkVectorType"
Error in plot(henon(start = rnorm(2), a = 1.4, b = 0.3, n.sample = 2000,  : 
  error in evaluating the argument 'x' in selecting a method for function 'plot'

I've loaded "fractal" package. An other fractal, "lorenz", work well.
I use linux mandriva 2010.0
Any suggestions?
Thanks
:)

 		 	   		  
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