CentOS 7.0 - man page for gsl-histogram (centos section 1)

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GSL-HISTOGRAM(1)								 GSL-HISTOGRAM(1)

NAME
       gsl-histogram - compute histogram of data on stdin

SYNOPSYS
       gsl-histogram xmin xmax [n]

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

EXAMPLE
       Here  is  an  example.  We generate 10000 random samples from a Cauchy distribution with a
       width of 30 and histogram them over the range -100 to 100, using 200 bins.

	    gsl-randist 0 10000 cauchy 30 | gsl-histogram -100 100 200 > histogram.dat

       A plot of the resulting histogram will show the familiar shape of the Cauchy  distribution
       with fluctuations caused by the finite sample size.

	    awk '{print $1, $3 ; print $2, $3}' histogram.dat | graph -T X

SEE ALSO
       gsl(3), gsl-randist(1).

AUTHOR
       gsl-histogram was written by Brian Gough.  Copyright 1996-2000; for copying conditions see
       the GNU General Public Licence.

       This manual page was added by the Dirk Eddelbuettel <edd@debian.org>, the Debian GNU/Linux
       maintainer for GSL.

GNU										 GSL-HISTOGRAM(1)
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