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

[Thomas S. <t.s...@fz...>]

maybe you could post the datafile too


arnold4life wrote:
> 
> 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!
> 
> 

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