Summary statistics for pspp2012_180 dataset :

by Jean Roth , jroth@nber.org , 12 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        npi1 |          0
        npi2 |          0
   paircount |133,042,645    321.0356    1550.973         11    2884926
   benecount |133,042,645    44.62127     118.955         11     196929
samedaycount |133,042,645    10.90308    123.1148          0     334412
-------------+---------------------------------------------------------
        year |133,042,645        2012           0       2012       2012
        days |133,042,645         180           0        180        180
     begdate |133,042,645       18993           0      18993      18993
     enddate |133,042,645       19540           0      19540      19540

by Jean Roth , jroth@nber.org , 12 Feb 2018