Before revision: Real datasets often come in the form of an URLanised cloud of points . An overall shape of such data is hard to visualise when data points are given by coordinates in a high-dimensional Euclidean space.
After revision: Real datasets often come in the form of an URLanised cloud of points with only pairwise distances. Numerous applications require to visualise an overall shape of such data is hard to visualise when data points are given by coordinates in a high-dimensional Euclidean space.