Summary statistics for a_c6_96 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_96 | 271 -1519299 2.34e+07 -3.83e+08 1.19e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018