Summary statistics for pspp2014_30 dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        npi1 |          0
        npi2 |          0
   paircount | 55,779,360    143.4195    490.8779         11     244716
   benecount | 55,779,360    40.64561    95.33431         11      84144
samedaycount | 55,779,360    17.83788    142.9475          0     204612
-------------+---------------------------------------------------------
        year | 55,779,360        2014           0       2014       2014
        days | 55,779,360          30           0         30         30
     begdate | 55,779,360       19724           0      19724      19724
     enddate | 55,779,360       20120           0      20120      20120

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