Summary statistics for pspp2015_180 dataset :

by Jean Roth , jroth@nber.org , 11 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        npi1 |          0
        npi2 |          0
   paircount | 65,739,582    226.2783    906.6982         11     728632
   benecount | 65,739,582    37.58488    86.02085         11      53061
samedaycount | 65,739,582     10.1554    89.11571          0     125761
-------------+---------------------------------------------------------
        year | 65,739,582        2015           0       2015       2015
        days | 65,739,582         180           0        180        180
     begdate | 65,739,582       20089           0      20089      20089
     enddate | 65,739,582       20362           0      20362      20362

by Jean Roth , jroth@nber.org , 11 Feb 2018