Displaying 3 results from an estimated 3 matches for "tgrid".
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2010 Jun 15
1
Error when callin g C-Code
Hi
when I call the function below in R, i get the error: Object 'pairlist'
can't be converted to 'double'.
#include <R.h>
#include <Rdefines.h>
#include <Rmath.h>
SEXP CSimPoisson(SEXP lambda, SEXP tgrid, SEXP T2M, SEXP Ni, SEXP NT)
{
	double sign, EVar;
	double *xlambda, *xtgrid, *xT2M, *xNi, *xNT, *xtau;
	SEXP tau;
	int ltgrid =0;
	int i = 0;
	int j = 0;
	sign = 0;
	EVar = 0;
	
	ltgrid  = LENGTH(tgrid);
	PROTECT(lambda = AS_NUMERIC(lambda));
	PROTECT(tgrid = AS_NUMERIC(tgrid));
	PROTECT(T2M = AS_...
2007 Jan 04
3
grid control example doesn''t work on osx.4
.../usr/local/lib/ruby/gems/1.8/gems/wxruby2-preview-0.0.38-i686- 
darwin8.4.1/lib/wx/classes/app.rb:10: warning: method redefined;  
discarding old on_assert
./grid.rb:10: [BUG] Bus Error
ruby 1.8.4 (2005-12-24) [i686-darwin8.8.3]
Abort trap
---------------
The code is below, line 10 is the call to tgrid = Wx::Grid.new(frame,  
-1), what the heck am I missing? The bigdemo works (although it  
usually crashes after I''ve run a three or four of the demos) so I  
think that everything''s installed properly on my system. I copied the  
code below from the tutorial----------
#!/usr/bin/...
2010 Jun 13
1
Simulating a Poisson Process in R by calling C Code over .Call
Hi
I want to write a C function for the R Code below and call it with .Call:
SimPoisson <- function(lambda,tgrid,T2M)
#Simulation eines Poissonprozesses
{
	NT <- 0
	Ni <- rep(0,length(tgrid))
	tau <- 0
	sign <- 0
	if(lambda != 0)
	{
		i=1
		j=1
		while (1)
		{
    			EVar <- rexp(1,lambda)
			sign <- sign + EVar
			if (sign > T2M)
			{
				break
			}
			tau[i] <- sign
			i = i+1
			for...