#!/usr/bin/gnuplot -persist

set xlabel "balls"
set ylabel "weighings"
set title "Eight Balls Problem"
set xrange [2:1000]

plot log(x)/log(2) title "binary", "data.txt" using 1:2 title "average" with lines
#If you want to see all four graphs at once, uncomment the next line
#plot log(x)/log(2) title "binary", plot "data.txt" using 1:3 title "best" with lines, "data.txt" using 1:4 title "worst" with lines, "data.txt" using 1:2 title "average" with lines