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Program to fit to Poisson distributed data.

Uses actual Poisson probability (i.e. not Gaussians, and
therefore not least squares).

### Installation

Download using:<br>
``git clone https://www.av8n.com/cgit/poissfit``

Requires the `libnlopt-cxx-dev` package, which is easily installable on Ubuntu and similar platforms.

In the poissfit directory, compile using a simple `make`
command. That works on my Ubuntu platform. Other platforms are likely
to work; the code uses fairly basic language features (c++11 or
later).

Some data files, suitable for input to the program, can be found
[here](https://github.com/paulnord/bayesian_analysis).