Data related to PRA 'Metric space approach to potentials and its relevance to density functional theory'

Content: files with data published in the paper figures. Format of Figure 1 files: x, y1, y2, y3, y4. Format of Figure 2 files: x, y (note that each numbered file refers to one of the curves in the particular panel). Format of Figure 3a file: x, y1, y2, y3. Format of Figure 3b 1 file: x, y1, y2. Format of Figure 3b 2 file: x, y3. Dataset created by a PhD student funded by EPSRC. Additional funding from Royal Society Grant NA140436 and from CNPq through the Science without Border Scheme.