histc()

[Primoz PETERLIN]

Hello everyone,

Recently, I needed to group data into a histogram and noticed that
Octave doesn't have the histc() function. Even though, according to
the list archives, there has been some discussion about histc() on
this list in May 2006, it didn't result in a function that a) would
work, and b) would work reasonably fast (Aakash Dalwani submitted some
code that does the job, but is strictly scalar, while Francesco
Potorti submitted a function that uses vectorization, but is otherwise
wrong). So I have written my own implementation. For three reasons, it
doesn't support matrices yet: a) I didn't needed that feature, b) I am
not sure I understand the MATLAB Function Reference[1] on the web, and
c) I don't have a working Matlab handy to test what the function
reference is supposed to mean.

If anybody finds it useful, here it is. Being a rather novice Octave
user, I would also be happy if somebody would teach me a better way to
do it. :)

All the best,
Primož

[1] http://www.mathworks.com/access/helpdesk/help/techdoc/ref/histc.html

histc.m
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