gnuplot 사용하기

HPLC1.gp

set datafile separator ','
set title "HPLC data by substance at 270nm"
FILE = 'ex1.csv'

stats FILE using 2 nooutput name 'Y_'
stats FILE using 1 every ::Y_index_max::Y_index_max nooutput
X_max = STATS_max
set label 2 sprintf("(%.1f,%.3f)", X_max+0.1,Y_max) center at first X_max,Y_max point pt 7 ps 1 offset 0,1

stats FILE using 3 nooutput name 'Y_'
stats FILE using 1 every ::Y_index_max::Y_index_max nooutput
X_max = STATS_max
set label 3 sprintf("(%.1f,%.3f)", X_max+0.1,Y_max) center at first X_max,Y_max point pt 7 ps 1 offset 0,1

set xrange [:]
set xlabel "Time (sec)"
set yrange[-50:]
set ylabel "Voltage (mV)"
set grid
show grid
plot FILE using 1:2 with lines title 'Adenine (300 µM)', '' using 1:3 with lines title 'Caffeine (500 µM)'