Summary statistics for a_c6_49 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_49 | 2,481 -40182.58 425942 -2027512 1.94e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018