Summary statistics for a8_c2_19 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_19 | 779 -200987.6 807518.1 -1.46e+07 51570 by Jean Roth , jroth@nber.org , 10 Sep 2018