% Generated by roxygen2: do not edit by hand % Please edit documentation in R/saemix.R \name{saem} \alias{saem} \alias{saem.mmkin} \alias{saemix_model} \alias{saemix_data} \title{Fit nonlinear mixed models with SAEM} \usage{ saem(object, control, ...) \method{saem}{mmkin}( object, control = list(displayProgress = FALSE, print = FALSE, save = FALSE, save.graphs = FALSE), cores = 1, verbose = FALSE, suppressPlot = TRUE, ... ) saemix_model(object, cores = 1, verbose = FALSE, ...) saemix_data(object, verbose = FALSE, ...) } \arguments{ \item{object}{An \link{mmkin} row object containing several fits of the same \link{mkinmod} model to different datasets} \item{control}{Passed to \link[saemix:saemix]{saemix::saemix}} \item{\dots}{Further parameters passed to \link[saemix:saemixData]{saemix::saemixData} and \link[saemix:saemixModel]{saemix::saemixModel}.} \item{cores}{The number of cores to be used for multicore processing using \code{\link[parallel:mclapply]{parallel::mclapply()}}. Using more than 1 core is experimental and may lead to uncontrolled forking, apparently depending on the BLAS version used.} \item{verbose}{Should we print information about created objects?} \item{suppressPlot}{Should we suppress any plotting that is done by the saemix function?} } \value{ An \link[saemix:SaemixObject-class]{saemix::SaemixObject}. An \link[saemix:SaemixModel-class]{saemix::SaemixModel} object. An \link[saemix:SaemixData-class]{saemix::SaemixData} object. } \description{ This function uses \code{\link[saemix:saemix]{saemix::saemix()}} as a backend for fitting nonlinear mixed effects models created from \link{mmkin} row objects using the stochastic approximation to the expectation maximisation algorithm (SAEM). } \details{ An mmkin row object is essentially a list of mkinfit objects that have been obtained by fitting the same model to a list of datasets using \link{mkinfit}. Starting values for the fixed effects (population mean parameters, argument psi0 of \code{\link[saemix:saemixModel]{saemix::saemixModel()}} are the mean values of the parameters found using \link{mmkin}. } \examples{ \dontrun{ ds <- lapply(experimental_data_for_UBA_2019[6:10], function(x) subset(x$data[c("name", "time", "value")])) names(ds) <- paste("Dataset", 6:10) f_mmkin_parent_p0_fixed <- mmkin("FOMC", ds, cores = 1, state.ini = c(parent = 100), fixed_initials = "parent", quiet = TRUE) f_saem_p0_fixed <- saem(f_mmkin_parent_p0_fixed) f_mmkin_parent <- mmkin(c("SFO", "FOMC", "DFOP"), ds, quiet = TRUE) f_saem_sfo <- saem(f_mmkin_parent["SFO", ]) f_saem_fomc <- saem(f_mmkin_parent["FOMC", ]) f_saem_dfop <- saem(f_mmkin_parent["DFOP", ]) # The returned saem.mmkin object contains an SaemixObject, we can use # functions from saemix library(saemix) compare.saemix(list(f_saem_sfo$so, f_saem_fomc$so, f_saem_dfop$so)) f_mmkin_parent_tc <- update(f_mmkin_parent, error_model = "tc") f_saem_fomc_tc <- saem(f_mmkin_parent_tc["FOMC", ]) compare.saemix(list(f_saem_fomc$so, f_saem_fomc_tc$so)) dfop_sfo <- mkinmod(parent = mkinsub("DFOP", "A1"), A1 = mkinsub("SFO")) f_mmkin <- mmkin(list("DFOP-SFO" = dfop_sfo), ds, quiet = TRUE, solution_type = "analytical") # This takes about 4 minutes on my system f_saem <- saem(f_mmkin) f_mmkin_des <- mmkin(list("DFOP-SFO" = dfop_sfo), ds, quiet = TRUE, solution_type = "deSolve") # Using a single core, the following takes about 6 minutes, using 10 cores # it is slower instead of faster f_saem_des <- saem(f_mmkin_des, cores = 1) compare.saemix(list(f_saemix$so, f_saemix_des$so)) } }