[R] Copula in R 2.4.0

From: Dominique Katshunga <dkat_at_stats.uct.ac.za>
Date: Fri 13 Oct 2006 - 12:26:15 GMT


Dear R helper,
does anyone have an idea on why R.2.4.0 draws the surface for the two command lines below and the next time it renders the error message below for exactly the same command lines:

> norm.cop <- normalCopula(0.5)
> persp(norm.cop, dcopula)

Error in ceiling(length.out) : Non-numeric argument to mathematical function.
I will appreciate any help from anyone
thanks,
Dominique K.



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