Monthly Archives: April 2011

Sorting the census blocks for redistricting

  Another method for sorting the census data for redistricting has occurred to me. Back in ancient times, there were machines that could sort punch cards. See: http://en.wikipedia.org/wiki/IBM_80_series_Card_Sorters.  For example, cards could be sorted into ranges of latitude. The cards would be conveyed horizontally until they dropped into the proper bin below.  Today, the same […]