/usr/share/doc/ruby-gsl/examples/histogram/smp.dat 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 | 0.0 20.0 1
20.0 40.0 10
40.0 60.0 15
60.0 80.0 8
80.0 100.0 2
|