[R-sig-Geo] Problem of vector allocation in GSIF package

[Manuel Spínola]

I wanted to say, "I would like to try landmap".

El vie., 13 sept. 2019 a las 9:45, Tomislav Hengl (<tom.hengl using gmail.com>)
escribió:

>
> You have two options:
>
> 1. Run predictions using tiling
> (
> https://github.com/Envirometrix/BigSpatialDataR#dem-analysis-using-tiling-and-parallelization
> )
>
> 2. Buy more RAM.
>
> I suggest using option 1 since option 2 can propagate to infinity.
>
> PS: I am working on a new package
> (https://github.com/Envirometrix/landmap/) that should give more
> flexibility to users and maybe even incorporate tiling of large objects
> by default.
>
>
> On 9/13/19 5:38 PM, Manuel Spínola wrote:
> > Dear list members,
> >
> > I am fitting a model with the GSIF package, but I ran into a problem of
> > vector allocation.  Is there any way to solve this problem?  See code and
> > error message below.
> >
> > I am using:
> > R 3.6.1
> > GSIF 0.5-5
> > Mac with 16 GB of RAM
> >
> >> rk_rf_ac <- fit.gstatModel(variables_todos_sp["ac"],
> ac_formulaString_correlacion, covar_finales_sp, method =
> "quantregForest")Fitting a Quantile Regression Forest model...Shapiro-Wilk
> normality test and Anderson-Darling normality test report probability of <
> .05 indicating lack of normal distribution for residualsFitting a 2D
> variogram...Saving an object of class 'gstatModel'...> rk_rf_ac_pred <-
> GSIF::predict(rk_rf_ac, covar_finales_sp, predict.method = "KED")Error:
> cannot allocate vector of size 19.4 Gb
> >
> > Thank you very much,
> >
> > Manuel
> >
>


-- 
*Manuel Spínola, Ph.D.*
Instituto Internacional en Conservación y Manejo de Vida Silvestre
Universidad Nacional
Apartado 1350-3000
Heredia
COSTA RICA
mspinola using una.cr <mspinola using una.ac.cr>
mspinola10 using gmail.com
Teléfono: (506) 8706 - 4662
Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/>
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