23 lines
654 B
Plaintext
23 lines
654 B
Plaintext
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reset
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n=100 #number of intervals
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max=3. #max value
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min=-3. #min value
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width=(max-min)/n #interval width
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#function used to map a value to the intervals
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hist(x,width)=width*floor(x/width)+width/2.0
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set term png #output terminal and file
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set output "histogram.png"
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set xrange [min:max]
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set yrange [0:]
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#to put an empty boundary around the
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#data inside an autoscaled graph.
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set offset graph 0.05,0.05,0.05,0.0
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set xtics min,(max-min)/5,max
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set boxwidth width*0.9
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set style fill solid 0.5 #fillstyle
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set tics out nomirror
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set xlabel "x"
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set ylabel "Frequency"
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#count and plot
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plot "data.dat" u (hist($1,width)):(1.0) smooth freq w boxes lc rgb"green" notitle
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