Summary statistics for mdrfoichange_source_type dataset : by Jean Roth , jroth@nber.org , Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- mdr_report~y | 280,442 7419113 978718.3 53696 7840459 seqsource_~e | 280,442 1.414489 .57205 1 6 source_type | 6,599 4.018185 4.362823 0 99 source_typ~r | 0 by Jean Roth , jroth@nber.org ,