R : Copyright 2004, The R Foundation for Statistical Computing
Version 2.0.1  (2004-11-15), ISBN 3-900051-07-0

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> 
>  library(aster)
> 
>  famnam <- families()
> 
>  ifam <- seq(along = famnam)[famnam == "poisson"]
> 
>  print(ifam)
[1] 2
> 
>  mu <- seq(0.1, 3.0, 0.2)
>  theta <- log(mu)
> 
>  zeroth <- double(length(theta))
>  first <- double(length(theta))
>  second <- double(length(theta))
> 
>  for (i in seq(along = theta)) {
+     zeroth[i] <- famfun(ifam, 0, theta[i])
+     first[i] <- famfun(ifam, 1, theta[i])
+     second[i] <- famfun(ifam, 2, theta[i])
+  }
> 
>  all.equal(zeroth, mu)
[1] TRUE
>  all.equal(first, mu)
[1] TRUE
>  all.equal(second, mu)
[1] TRUE
> 
>