Summary statistics for d_5_sub1_c9_40 variable in hosp_rollup2552_96_2001 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~1_c9_40 | 21 131.1905 188.3859 2 652 by Jean Roth , jroth@nber.org , 9 Sep 2018