# generate slices for a model
require(mopt)
library(ggplot2)
# let's take a dummy objective function
MOPT_OBJ_FUNC <- objfc.norm2(c(0,0),ns=2000)
# starting parameters
p <- list(x1=0.5,x2=0.5)
#MOPT_OBJ_FUNC(p)
# then we want to setup the mopt
mcf = mopt_config(p)
mcf$wd = getwd()
mcf$params_to_sample = c('x1','x2')
mcf$moments_to_use = c('m1','m2')
mcf$mode = 'serial'
mcf$iter = 30
mcf$algo = algo.bgp
mcf$objfunc = MOPT_OBJ_FUNC
# set the parameter bounds
mcf <- mcf +
samplep('x1',-1,1) +
samplep('x2',-1,1)
# adding data moment values
mcf <- mcf + datamoments(c('m1','m2'),
c(0,0),
c(0.1,0.1))
# prepare to run with OpenMP
require(parallel)
options(mc.cores = detectCores())
# finalize the preparation
mcf <- prepare.mopt_config(mcf)
# compute slices and generate plots
res = runMOpt(mcf,FALSE)
ggplot(res,aes(x=p.x1,y=p.x2)) + geom_point() + facet_wrap(~chain) + theme_bw()
print(res)
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