Summary statistics for d_2_sub2_c6_47 variable in hosp_rollup2552_96_1996 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_47 | 148 123.0135 306.2548 1 2009 by Jean Roth , jroth@nber.org , 3 Sep 2018