max_distance_search searches for the data point furthest from a set of
query points.
max_distance_search(distances, query_indices = NULL,
search_indices = NULL)A distances object.
An integer vector with point indices to query. If NULL,
all data points in distances are queried.
An integer vector with point indices to search among. If NULL,
all data points in distances are searched over.
An integer vector with point indices for the data point furthest from each query.