Re: [Gnuplot-info] Histogram/Bar Plot Troubles

[Mauricio G. <ga...@fc...>]

Arnold et al

In the link
"http://www.fct.unesp.br/docentes/carto/galo/web/gnuplot/gnu_exemplos5.htm"
you will find some examples of histograns with the respective
gnuplot script.

M. Galo

>
> Hi all,
>
> I'm a novice with gnuplot and I'm trying to make a histogram or
> bar plot
> that looks like the following:
> http://old.nabble.com/file/p30208070/grades.png
>
> but I can't for the life of me get a gnuplot script to do this.
> I can get
> frequency on the y-axis but I want to get a percentage, and my
> male/female
> columns overlap with the same color on output:
> http://old.nabble.com/file/p30208070/grades.jpg
>
> The data file I'm using has one column of male percentages and
> one of female
> percentages. Here's my horrible script:
>
> set term postscript
> set output 'grades.ps'
>
> bin_width = 20.0
> set style fill solid 1.00 border -10
> set style data boxes
> #set style boxes cluster gap 1
> set bmargin 10
> set ylabel "Percentage of Students"
> set xlabel "Grade Percentage"
> set yrange [0.0:140.0]
> #set xtics ("100%-125%" 100.0:125.0, "75%-99%" 75.0:99.0,
> "50%-74%"
> 50.0:74.0, "25%-50%" 25.0:50.0, "0%-24%" 0.0:24.0)
> set xtics 20
> bin_number(x) = floor(x/bin_width)
> rounded(x) = bin_width * ( bin_number(x))
> UNITY = 1
> plot 'grades_distribution.data' u (rounded($1)):(UNITY) t
> 'Male' smooth
> frequency w boxes fs solid 5,\
>         '' u (rounded($2)):(UNITY) t 'Female' smooth frequency
> w boxes fs
> solid 3
>
>
> Any help is greatly appreciated, thanks!
>
> --
> View this message in context:
> http://old.nabble.com/Histogram-Bar-Plot-Troubles-tp30208070p30208070.html
> Sent from the Gnuplot - User mailing list archive at
> Nabble.com.
>
>
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