Summary statistics for d_5_sub2_c9_54 variable in hosp_rollup2552_96_1997 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~2_c9_54 | 30 271.2667 415.1356 23 1890 by Jean Roth , jroth@nber.org , 5 Sep 2018