set term postscript eps enhanced
set output "pennies.eps"
set grid
set xdata time
set timefmt "%Y-%m-%d"
set xtics format "%b %d"
set xlabel "Date (2013 - 2014)"
set ylabel "Cents(Date)"
set title "Net Personal Income due to Scrapping the Canadian Penny"

set style line 1 lc rgb '#0060ad' lt 1 lw 2 pt 7 pi -1 ps 1.5
#set pointintervalbox 3

set label "for Neil Edelman" at screen 0.2, screen 0.15

# the time format is seconds since 2000-01-01
# the penny was discontinued 4783 days since 2000-01-01

#parameters:
#m = -0.0643952 +/- 0.000402505
#Reduced chi-squared = 9.88744

f(x) = m*(x-(4783 * 3600 * 24))
m = -0.0643952 / (3600 * 24)

plot \
"pennies.data" using 1:2 title "Net Cents" with linespoints ls 1,\
f(x) title "-23.52 cents / year; reduced-{/Symbol c}^2 = 9.90"
#"days.data" using ($1 + 2013-02-04):2 title "Net Cents" with linespoints#,\