Summary statistics for a7_3_c10_2 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c10_2 | 390 246951.6 1310090 -7075741 1.56e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018