drawUtilityPlots(problem, solution, printLabels = TRUE, criteria = NULL, plotsPerRow = 2, descending = NULL)NULL functions for all criteria and utility chart
will be plotted (default NULL).2).NULL - unsorted, preserved problem$perf order,
TRUE - sorted descending by value of utility,
FALSE - sorted ascending by value of utility.
plotVF and plotComprehensiveValue.
plotVF
plotComprehensiveValue