fprintf(f,"set xlabel \"Number of Evaluations\"\n");
fprintf(f,"set ylabel \"Fitness\"\n");
fprintf(f,"plot \'%s.dat\' using 3:4 t \'Best Fitness\' w lines, \'%s.dat\' using 3:5 t \'Average\' w lines, \'%s.dat\' using 3:6 t \'StdDev\' w lines\n",params->outputFilename,params->outputFilename,params->outputFilename);