On Tue, Jun 21, 2011 at 11:39 AM, Raul Miller <[email protected]> wrote:
> For starters, I would parse your data like this:
>
> 'area source year qtr hpi'=:|:}.<;._2@,&',';._2 htData
> 'year qtr hpi'=:".L:0 year;qtr;hpi

P.S. some calculations:

   ~.year
2009 2010
   year (+/ %#)/. hpi
148.175 150.566

That was hpi averaged by year


  CA
  NY
  US
   area (+/ %#)/. hpi
136.783 177.301 134.028

That was hpi averaged by area

   ~.area,.":,.year
  CA2009
  CA2010
  NY2009
  NY2010
  US2009
  US2010
   (area,.":,.year) (+/ %#)/. hpi
132.848 140.718 177.71 176.892 133.968 134.087

That was hpi averaged by area and year.

-- 
Raul
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