Summary statistics for d_5_sub2_c9_39 variable in hosp_rollup2552_96_2005 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~2_c9_39 | 2 68.5 95.45942 1 136 by Jean Roth , jroth@nber.org , 21 Apr 2018