Summary statistics for mdrfoithru2015_source_type dataset :

by Jean Roth , jroth@nber.org , 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mdr_report~y |  8,112,390     2746801     1448814      35405    5339614
seqsource_~e |  8,112,390    1.591634    .8023606          1          9
 source_type |  7,666,678    5.016065    5.467203          0         99
source_typ~r |          0

by Jean Roth , jroth@nber.org ,