Summary statistics for d_5_sub1_c9_47 variable in hosp_rollup2552_96_1998 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~1_c9_47 | 7 19.71429 16.2759 4 52 by Jean Roth , jroth@nber.org , 6 Sep 2018