[R] package MonteCarlo error: object 'packages' not found
john polo
jpolo at mail.usf.edu
Fri Feb 16 00:26:20 CET 2018
Will do, Bert.
Thank you,
John
On 2/15/2018 11:58 AM, Bert Gunter wrote:
> This looks like the sort of thing that you should ask the package
> maintainer (?maintainer).
>
> Cheers,
> Bert
>
>
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along
> and sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
> On Thu, Feb 15, 2018 at 11:39 AM, john polo <jpolo at mail.usf.edu
> <mailto:jpolo at mail.usf.edu>> wrote:
>
> R-users,
>
> I can't tell what's causing the following error. The vignette does
> not make a reference to a "packages" option or parameter.
>
> > library(MonteCarlo)
> Loading required package: abind
> Loading required package: codetools
> Loading required package: rlecuyer
> Loading required package: snow
> Loading required package: snowfall
>
> > infest_kud_fun<-function(x,A,B){
> + equation1=exp(A-(B*x))
> + return(list("equation1"=equation1))
> + }
>
>
> > x_grid<-c(0.5,10) #distances kudzu could grow
> > A_grid<-rnorm(1000) #probabilities
> > B_grid<- rnorm(1000) #probabilities
>
>
> > #put parameters in a list
> > param_list_kud=list("x"=x_grid, "A"=A_grid, "B"=B_grid)
>
> > #run MC simulation
> >
> MC_result_kud<-MonteCarlo(func=infest_kud_fun,nrep=10000,param_list=param_list_kud)
> Error in MonteCarlo(func = infest_kud_fun, nrep = 10000,
> param_list = param_list_kud) :
> object 'packages' not found
>
> > sessionInfo()
> R version 3.4.3 (2017-11-30)
> Platform: i386-w64-mingw32/i386 (32-bit)
> Running under: Windows 7 x64 (build 7601) Service Pack 1
>
> Matrix products: default
>
> locale:
> [1] LC_COLLATE=English_United States.1252
> [2] LC_CTYPE=English_United States.1252
> [3] LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C
> [5] LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] MonteCarlo_1.0.2 snowfall_1.84-6.1 snow_0.4-2 rlecuyer_0.3-4
> [5] codetools_0.2-15 abind_1.4-5
>
>
> best,
>
> john
>
> --
> Enlightenment is ego's ultimate disappointment.
> -Chogyam Trungpa
>
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>
--
Enlightenment is ego's ultimate disappointment.
-Chogyam Trungpa
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