# http://gnuplot.sourceforge.net/demo/smooth.html

# http://gnuplot-surprising.blogspot.com/2011/09/statistic-analysis-and-histogram.html
reset
n=20 #number of intervals
max=200. #max value
min=0. #min value
width=(max-min)/n #interval width
#function used to map a value to the intervals
hist(x,width)=width*floor(x/width)+width/2.0
set xrange [min:max]
set yrange [0:]
#to put an empty boundary around the
#data inside an autoscaled graph.
set offset graph 0.05,0.05,0.05,0.0
set xtics min,(max-min)/5,max
set boxwidth width*0.9
set style fill solid 0.5 #fillstyle
set tics out nomirror
set xlabel "x"
set ylabel "Frequency"
#count and plot
plot "block_creation.txt" u (hist($2,width)):(1.0) smooth freq w boxes lc rgb"green" notitle


# https://stackoverflow.com/questions/2471884/histogram-using-gnuplot

binwidth=20
bin(x,width)=width*floor(x/width) + binwidth/2.0

plot 'block_creation.txt' using (bin($2,binwidth)):(1.0) smooth freq with boxes

plot 'block_creation.txt' using 2:(1.0) smooth kdensity bandwidth 10 with lines