Summary statistics for a_c6_8 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_8 | 3,447 -66624.35 1582958 -1.96e+07 4.18e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018