Summary statistics for pspp2010_60 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        npi1 |          0
        npi2 |          0
   paircount | 70,640,468    200.9431    730.8901         11     443435
   benecount | 70,640,468    42.56275    99.53317         11      63718
samedaycount | 70,640,468    14.90271     119.882          0     167891
-------------+---------------------------------------------------------
        year | 70,640,468        2010           0       2010       2010
        days | 70,640,468          60           0         60         60
     begdate | 70,640,468       18263           0      18263      18263
     enddate | 70,640,468       19053           0      19053      19053

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