Illustrating the 42nd LD electorate for 2016; Post Under Construction

Voters of the 42nd LD Precincts sorted into groups of threes: 3 Votes for last GEs (2013,2014,2015), active but no votes for the last 3 GEs, NA for the last three GEs.  These three groups cover 61% of current active registered voterdb for LD42nd.  Based on 4/15/2016 WC voterdb. Click to enlarge. 

Find R (data.table) code here. Post under construction.