43. The non-transitory computer-readable medium of claim 42 , wherein the instructions to provide output representing the first region comprises providing output to the user representing the plurality of portions of the data set.
43. The non-transitory computer-readable medium of claim 42 , wherein the instructions to provide output representing the first region comprises providing output to the user representing the plurality of portions of the data set. 44. The non-transitory computer-readable medium of claim 43 , wherein the instructions to provide output representing the first region comprises providing output to the user simultaneously representing the plurality of portions of the data set.