Summary statistics for a_c6_96 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_96 | 282 -1172357 1.54e+07 -2.42e+08 1.86e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018