Summary statistics for a_c6_96 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_96 | 291 -1317642 1.54e+07 -2.40e+08 9695984 by Jean Roth , jroth@nber.org , 10 Sep 2018