I can not get the 2nd time based dataset to plot. My example dataset: 0.000e+00,5.000e+04,10.242e+07 1.000e-05,5.000e+04,8.194e+07 2.000e-05,5.000e+04,2.048e+07 3.000e-05,5.000e+04,9.104e+06 4.000e-05,5.000e+04,5.121e+06 5.000e-05,5.000e+04,3.277e+06 6.000e-05,5.000e+04,2.276e+06 7.000e-05,5.000e+04,1.672e+06 8.000e-05,5.000e+04,1.280e+06 9.000e-05,5.000e+04,1.012e+06 1.000e-04,5.000e+04,8.194e+05 My *.gp file: set datafile separator "," set terminal png size 1000,1000 set output 'sim-diode-current_plot.png'...