Summary statistics for a_c6_53 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_53 | 2,480 -255752.7 1374446 -4.85e+07 2.00e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018