/usr/share/doc/ruby-gsl/examples/histogram/rebin.rb is in ruby-gsl 2.1.0.3+dfsg1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #!/usr/bin/env ruby
require("gsl")
h = GSL::Histogram.alloc(100, [-4, 4])
rng = GSL::Rng.alloc
for i in 0..10000 do
h.increment(rng.gaussian)
end
h2 = h.rebin
h5 = h.rebin(5)
h7 = h.rebin(7)
printf("%d %d %d %d\n", h.n, h2.n, h5.n, h7.n)
printf("%f %f %f %f\n", h.sigma, h2.sigma, h5.sigma, h7.sigma)
GSL::graph(h, h2, h5, h7, "-T X -C -g 3 -x -4 4")
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