set title "Plot of channel utilization vs dropout rate ( Timeout factor 1) ";
plot  "stats" using ($1):($2)  smooth bezier title "";

set term gif
set output 'out1.gif';
replot

set title "Plot of delay vs dropout rate ( Timeout factor 1) ";

set term gif
set output 'out2.gif';

plot "stats" using ($1):($3) smooth bezier title "";