Knowledge of python ( sum([i for i in range(5) if i\%2]) )
<l2st>
Ideally incl numpy
</l2st>
Basic university level Math (you could argue that $r_k \propto \frac{k}{pdf}$)
Ideally some experience working on a ssh server
->Good as a Bachelor Thesis
For a Master Thesis, I would extend this a bit (Could you also find $k$?)