in src/vector_of_kll.cpp [371:378]
auto vector_of_kll_sketches<T, C>::get_max_values() const -> Array1D<T> {
auto vals = make_ndarray<T>(d_);
auto view = vals.view();
for (uint32_t i = 0; i < d_; ++i) {
view(i) = sketches_[i].get_max_item();
}
return vals;
}