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+Welcome to the DECC-git wiki!
+
+Data knotes/issues:
+* several variables do not have 'missing' coded (E7Flag2012 CWI LI)
+* the E/Gcons*valid variable has some undefined labels (L,M,G):
+ * 0 = off gas/elec (documented)
+ * V = valid reading  (documented: gas range 0 - 50,000; electricity range = 100 - 25,000)
+ * L = large? (> 50k or 25k depending?)
+ * M = missing?
+ * G = ?
+* ideally DECC should set missing to -99 to aid re-coding and avoid unpleasant surprises in naive analysis!