set style data l; set xlabel "date"; set ylabel "frequency (per million)"; set xrange [*:*] set yrange [0:*]; unset grid; ; set title "\"\@Sollst\" [slice=5 norm=date+class win=1]"; ; ; plot "-" title "Schulbuch"; 1645 0 1650 0 1655 0 1660 0 1665 0 1670 0 1675 0 1680 0 1685 0 1690 0 1695 0 1700 0 1705 0 1710 0 1715 0 1720 0 1725 0 1730 0 1735 0 1740 0 1745 0.344367914414931 1750 0.344367914414931 1755 0.344367914414931 1760 0 1765 0 1770 0 1775 0 1780 0.128716379764292 1785 0.540754824599349 1790 0.540754824599349 1795 0.735058710157443 1800 0.432435764443615 1805 0.432435764443615 1810 0.208147991135252 1815 0.247591757412899 1820 0.247591757412899 1825 0.228118495948682 1830 0.142955680784851 1835 0.258785445547919 1840 0.219148227339896 1845 0.449945770163626 1850 0.64951113557359 1855 0.750997649234723 1860 0.750595613437327 1865 1.40194640314767 1870 2.09678776224688 1875 2.62983925862308 1880 2.5756387990876 1885 2.61411746458813 1890 2.53434424505679 1895 2.69589111757768 1900 2.86875522211584 1905 3.17727760494044 1910 3.51783090166306 1915 2.47053824652225 1920 2.12196844438709 e