Summary statistics for a_c6_23 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_23 | 594 -562517.4 6154761 -4.04e+07 6.16e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018