\@doendnote{endnote17}{\protect \url {https://github.uio.no/larsbog/FYSSTK-Project2}} \@doendnote{endnote18}{Solely used for data splitting and performance metrics.} \@doendnote{endnote19}{The $x$ values were expanded into multiple of features containing polynomial multiples $x^n$ of themselves. For optimal performance $n \in \{0, 1, \protect \dots , \geq 10\}$ were required.}