R/compareModelResults.PrM2M.R

In wStockhausen/rTCSAM2013: Functions to run and plot output from TCSAM2013 models.

#'
#'@title Compare probability of molt-to-maturity among several model runs
#'
#'@description Function to compare probability of molt-to-maturity among several model runs.
#'
#'@param obj - object that can be converted into a list of tcsam2013.resLst objects
#'@param showPlot - flag to print plot to current device
#'@param pdf - name for output pdf file
#'
#'@details None.
#'
#'@return ggplot object
#'
#'@import ggplot2
#'
#'@export
#'
compareModelResults.PrM2M<-function(obj,
                                    showPlot=FALSE,
                                    pdf=NULL){

    lst<-convertToListOfResults(obj);
    cases<-names(lst);

    #create pdf, if necessary
    if(!is.null(pdf)){
        pdf(file=pdf,width=11,height=8,onefile=TRUE);
        on.exit(dev.off());
        showPlot<-TRUE;
    }
    
    #----------------------------------
    # plot probability of molt-to-maturity
    #----------------------------------
    dfr<-getMDFR.PrM2M(lst);
    dfr$case<-factor(dfr$case,levels=cases);
    p <- ggplot(dfr,aes_string(x='z',y='val',colour='case'));
    p <- p + geom_line();
    p <- p + geom_point();
    if (any(!is.na(dfr$lci))) p <- p + geom_errorbar(aes_string(ymin='lci',ymax='uci'));
    p <- p + labs(x='size (mm CW)',y="pr(molt-to-maturity)");
    p <- p + ggtitle("pr(Molt-to-Maturity)");
    p <- p + facet_grid(x~.);
    if (showPlot) print(p);

    return(p);
}