Summary statistics for a_c6_14 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_14 | 2,220 -35056.72 581424.5 -1.01e+07 1.13e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018