Summary statistics for a_c6_49 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_49 | 1,562 -51258.51 728321.6 -1.62e+07 2.19e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018