<frame title="Better knn">
<list>
<e>The model (mostly) ignores every known sample except one</e>
<e>So there are extensions</e>
<e>$avg=\frac{1}{N} \sum_i knn_i(x)$</e>
<e>$wavg=\frac{1}{N} \sum_i \frac{knn_i(x)}{i}$</e>
</list>
</frame>