Calculate mapping from assigned peak list onto an unknown peak list

This uses a greedy algorithm. It iterates over the unknown peaks in order of decreasing height and assigns each unknown to the closest assigned peak within a distance determined by the thresh parameter, as long as that peak wasn't already assigned.

height_assign(assigned, unknown, thresh = 0.01)

Arguments

assigned

two column matrix with assigned peak chemical shifts

unknown

three column matrix with unknown peak chemical shifts and heights

thresh

maximum distance (as a fraction of the two chemical shift ranges)