Summary statistics for mdrfoiadd_source_type dataset : by Jean Roth , jroth@nber.org , Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- mdr_report~y | 138,678 7790348 29565.08 7737940 7840459 seqsource_~e | 138,678 1.386233 .5400426 1 4 source_type | 0 source_typ~r | 0 by Jean Roth , jroth@nber.org ,