1GSL-HISTOGRAM(1)            General Commands Manual           GSL-HISTOGRAM(1)
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NAME

6       gsl-histogram - compute histogram of data on stdin
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SYNOPSYS

9       gsl-histogram xmin xmax [n]
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DESCRIPTION

12       gsl-histogram  is  a  demonstration  program  for  the  GNU  Scientific
13       Library.  It takes three arguments,  specifying  the  upper  and  lower
14       bounds  of the histogram and the number of bins.  It then reads numbers
15       from `stdin', one line at a time, and adds them to the histogram.  When
16       there  is  no more data to read it prints out the accumulated histogram
17       using gsl_histogram_fprintf.  If n is unspecified then bins of  integer
18       width are used.
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EXAMPLE

21       Here  is  an  example.   We generate 10000 random samples from a Cauchy
22       distribution with a width of 30 and histogram them over the range  -100
23       to 100, using 200 bins.
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25            gsl-randist  0 10000 cauchy 30 | gsl-histogram -100 100 200 > his‐
26       togram.dat
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28       A plot of the resulting histogram will show the familiar shape  of  the
29       Cauchy distribution with fluctuations caused by the finite sample size.
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31            awk '{print $1, $3 ; print $2, $3}' histogram.dat | graph -T X
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SEE ALSO

35       gsl(3), gsl-randist(1).
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AUTHOR

39       gsl-histogram  was  written  by  Brian Gough.  Copyright 1996-2000; for
40       copying conditions see the GNU General Public Licence.
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42       This manual page was added by the Dirk  Eddelbuettel  <edd@debian.org>,
43       the Debian GNU/Linux maintainer for GSL.
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47GNU                                                           GSL-HISTOGRAM(1)