# Plot yearly PV values, one per line. # See http://gnuplot.sourceforge.net/demo/finance.html set terminal png set output ".work/E.png" set title "PV kWh/d" set grid set xdata time set timefmt "%Y-%m-%d" set format x "%b" plot ".work/E.dat" using 1:2 title "raw" with lines, \ "" using 1:3 smooth bezier title "smooth" with lines lw 2