plot-bin-freq.gp

#!/usr/bin/gnuplot
clear
reset
set key off
set border 3
set boxwidth 0.05 absolute
set style fill solid 1.0 noborder
bin_width = 0.1;

bin_number(x) = floor(x/bin_width)

rounded(x) = bin_width * ( bin_number(x) + 0.5 )

plot infile using (rounded($1)):(1) smooth frequency with boxes