[FLR-list] FLash: iter dimension in fwdControl()

[Simon Fischer]

Thanks for your help Iago,
works perfectly.

Regards,
Simon

Am 02.02.2015 um 09:29 schrieb Iago MOSQUEIRA (JRC):
>
> Hi,
>
> To specify iters in the target value you need to add them to the slot 
> you mention, @tgrtArray. The process is a bit clumsy at the moment, 
> but you can do
>
> # SET years
> years <- 1:2
>
> # SET No. of iters
> niter <- 100
>
> # MODIFY trgtArray with empty array
> ctrl at trgtArray <- array(NA, dim=c(length(years), 3, niter), dimnames = 
> list(years, c("min","val","max"),iter=1:niter))
>
> and then modify the values by passing values to the 'val' column, or 
> 'min' and 'max' if that is what you need
>
> ctrl at trgtArray[,'val',] <- rnorm(200)
>
> The key is creating an array that has the right structure
>
>
> > dimnames(ctrl at trgtArray)
> [[1]]
> [1] "1" "2"
>
> [[2]]
> [1] "min" "val" "max"
>
> $iter
>   [1] "1"   "2"   "3"   "4"   "5"   "6"   "7"   "8"   "9"   "10" "11" 
>  "12"  "13"  "14"  "15"  "16"  "17"  "18"  "19"  "20"  "21" "22"  "23" 
>  "24"
>  [25] "25"  "26"  "27"  "28"  "29"  "30"  "31"  "32"  "33"  "34" "35" 
>  "36"  "37"  "38"  "39"  "40"  "41"  "42"  "43"  "44"  "45" "46"  "47" 
>  "48"
>  [49] "49"  "50"  "51"  "52"  "53"  "54"  "55"  "56"  "57"  "58" "59" 
>  "60"  "61"  "62"  "63"  "64"  "65"  "66"  "67"  "68"  "69" "70"  "71" 
>  "72"
>  [73] "73"  "74"  "75"  "76"  "77"  "78"  "79"  "80"  "81"  "82" "83" 
>  "84"  "85"  "86"  "87"  "88"  "89"  "90"  "91"  "92"  "93" "94"  "95" 
>  "96"
>  [97] "97"  "98"  "99"  "100"
>
> and adding the values in the right position, taking care of ther 
> recycling rule.
>
> I am sorry this is really suboptimal right now. The new version of 
> lash has a much improved version of the constructor that will make 
> simpler creating control objects with iterations. The reason why 
> target values are specified in these two objects (data.frame and 
> array) is to be able to deal with them more easily in the Cpp code in 
> FLash.
>
> This course session has a couple of examples
>
> https://github.com/iagomosqueira/FLRforQuantFishSci/blob/master/Sessions/06%20Forecasting/06.02%20MTF/MTF.R 
>
>
> Best,
>
>
> Iago
>
> On 02/01/2015 05:13 PM, Simon Fischer wrote:
>> Dear all,
>>
>> I am working on an forecast for a FLStock object using the fwd() method.
>> I use the latest Versions of R (3.1.2), FLCore and FLash.
>>
>> My FLStock object contains several iterations and I want to use
>> individual targets (TACs) for each iteration.
>> The problem is, that I cannot figure out how to access the iter
>> dimension in the fwdControl object:
>>
>> When I just enter several values, only the last value is used for all
>> iterations:
>>  >library(FLAsh)
>>  >ctrl <- fwdControl(data.frame(year = 1, quantity = "catch", val =
>> c(*100,200*))
>>  >ctrl
>> Target
>>    year quantity min val max
>> 1    1    catch  NA 100  NA
>> 2    1    catch  NA 200  NA
>>
>>      min val max
>>    1  NA 100  NA
>>    2  NA 200  NA
>>
>> also here only one iter is created:
>>  >ctrl at trgtArray
>> , , *iter = 1*
>>
>>      min  val max
>>    1  NA 100   NA
>>    2  NA 200   NA
>>
>>
>> So my question is how I can access the iter dimension of fwdControl(),
>> if that is even possible.
>>
>>
>> Best regards
>> Simon
>>
>> ______________________________________
>> Simon Fischer
>> MSc. student
>> Institute for Hydrobiology and Fisheries Science,
>> University of Hamburg
>>
>>
>>
>> _______________________________________________
>> flr-list mailing list
>> flr-list at flr-project.org
>> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/flr-list
>>
>
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