yogi_Summarize Grouping By Year And Month

Yogi Anand, D.Eng, P.E.       Google Spreadsheet    Post  #613   Jul 7, 2012     www.energyefficientbuild.com.


I created this illustration in response to a question in StackOverflow help forum
http://stackoverflow.com/questions/7313580/google-spreadsheet-summarize-grouping-by-year-and-month/11379257#11379257