Version 0.5 (14 March 2013) * added vn, debitcards, departures and cafe data sets. * missing value removed from end of usmelec. Version 0.4 (30 April 2012) * euretail data added. Version 0.3 (26 March 2012) * More data added Version 0.2 (22 February 2012) * More data added * Changed description so it now mentions the book rather than the workshop. Version 0.1 (4 June 2011) * Started adding data files for FPP workshop.