# This method assumes y values are in logarithm units already. set terminal pdf set output "%OUTPUTFILE" # set termoption dash set termopt enhanced set title "%TITLE\n{/*0.7 %SUBTITLE}" font "Times" set xlabel "Temporal Frequency [days^{-1}]" font "Times" set xrange [0.005:0.620] set xtics font "Times" set ytics font "Times" # Use this if you want to show PSD directly on a log axis # set logscale xy # set ylabel "PSD" font "Times" # set yrange [%YMIN:%YMAX] # plot '%FILE1' using 1:(10**($2+2)):3:4 with xyerrorbars title "%LABEL1", \ # '%FILE2' using 1:(10**($2+2)):3:4 with xyerrorbars title "%LABEL2" # Use this if you want to show the log value of the PSD set logscale x set ylabel "log_{10} PSD" font "Times" #set yrange [%YMIN:%YMAX] #set yrange [-5.5:0.5] set key outside set key center bottom set key font "Times" set yzeroaxis plot '%FILE1' using 1:2:3:4 with xyerrorbars title "%LABEL1" pt 0 ps 1 lt rgb "green", \ '%FILE2' using 1:2:3:4 with xyerrorbars title "%LABEL2" pt 0 ps 1 lt rgb "red"