Summary statistics for d_2_sub2_c6_39 variable in hosp_rollup2552_96_2001 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_39 | 21 691.4286 1160.076 1 3743 by Jean Roth , jroth@nber.org , 9 Sep 2018