This is the command gsl-histogram that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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_histogram_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
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