Summary statistics for a_c6_14 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_14 | 1,924 -50557.06 859297.2 -3.32e+07 6576502 by Jean Roth , jroth@nber.org , 7 Sep 2018