set boxwidth 0.23
set style fill solid 1.0
set xrange [0:4]
set yrange [-12:6.5]
set ytics autofreq
set key off
set ylabel "Percent change versus expected Kerry votes"
set xlabel "Green bars = E-Touch results; Red bars = Op-scan results\nBlue bars = total of both"
##set x2label "Results broken down by number of voters in each county\n"
unset x2label

set grid

set tmargin 3

unset xtics
set x2tics border ("All counties" 2, \
	"< 50,000" 6, \
	"50,000 to\n100,000" 10, \
	"100,000 to\n200,000" 14, \
	"200,000 to\n300,000" 18, \
	"> 300,000" 22)

plot "elec_04_out1_deltas.txt" using 1:2 with boxes fs 2, \
	"elec_04_out1_deltas.txt" using 3:4 with boxes fs 1, \
	"elec_04_out1_deltas.txt" using 5:6 with boxes