R/compareModels.SurveyBiomass.R

In wStockhausen/rTCSAM2015: A set of tools to set up input for, and interact with output from, a TCSAM2015 model run, as well as to compare TCSAM2015 and rsimTCSAM runs.

#'
#'@title Compare estimated survey biomass from TCSAM2015 and rsimTCSAM model runs.
#'
#'@description Function to compare estimated survey biomass from TCSAM2015 and rsimTCSAM model runs.
#'
#'@param tcsam - single TCSAM2015 model results object, or named list of such
#'@param rsim - single rsimTCSAM results object, or named list of such
#'@param showPlot - flag to show/print plots immediately
#'@param pdf - name of pdf file to record plot output to
#'@param width - pdf page width (in inches)
#'@param height - pdf page width (in inches)
#'
#'@return list of ggplot2 objects
#'
#'@export
#'
compareModels.SurveyBiomass<-function(tcsam=NULL,
                                       rsim=NULL,
                                       showPlot=TRUE,
                                       pdf=NULL,
                                       width=8,
                                       height=6){
    #set up pdf device, if requested
    if (!is.null(pdf)){
        pdf(file=pdf,width=width,height=height);
        on.exit(dev.close())
    }
    
    plots<-list();
    
    #total captured (biomass)
    path<-'mr/S_list/B_vyxms';
    mdfr<-getMDFR(path,tcsam,rsim);
    mdfr<-removeImmOS(mdfr);
    mdfr$v<-gsub("_"," ",mdfr$v,fixed=TRUE);#replace '_'s in survey names with spaces
    
    uniqVs<-unique(mdfr$v);#survey names
    
    for (uV in uniqVs){
        #plot totals across msz
        mdfrp<-mdfr[mdfr$v==uV,];#select results for survey uV        
        ddfr<-reshape2::dcast(mdfrp,modeltype+model+v+y+x+m+s~.,fun.aggregate=NULL,na.rm=TRUE,value.var='val',drop=TRUE)
        ddfr[['.']]<-ifelse(ddfr[['.']]==0,NA,ddfr[['.']]);
        p<-plotMDFR.XY(ddfr,x='y',value.var='.',agg.formula=NULL,faceting='m+s~x',
                       title=uV,xlab='year',ylab='survey biomass',units="1000's t",lnscale=FALSE,
                       colour='model',guideTitleColor='model',
                       linetype='modeltype',guideTitleLineType='model type',
                       shape='modeltype',guideTitleShape='model type',
                       showPlot=showPlot);
        plots[[uV]]$B_yx<-p;
    }#uniqVs
    
    return(invisible(plots))
}