Vectors are your friend, Part II (updated)

[Update: ESRI blog post here for clear explanation and treatment of same, thanks Eileen Buckley! See also my ArcGIS Online / Amazon Web Services update at bottom...]

Following on my previous post about giscloud.com posting vector maps directly on-line in HTML5, I loaded NOAA's GSHHG - A Global Self-consistent, Hierarchical, High-resolution Geography Database in its entirety. You must be crazy, you say, to load a 425 Mb dataset on line! But here is the workflow:

RSPB2013 bird counts mapped

Releasing data really works, Continued

RSPB 2013 Big Garden Bird Watch released data by county, listing bird counts for each county in order of abundance. Why not then transpose these into one row of bird types (73) per recorded county (96, excl. N Ireland):