Summary statistics for d_2_sub2_c6_40 variable in hosp_rollup2552_96_2009 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_40 | 44 7.5 10.94702 1 45 by Jean Roth , jroth@nber.org , 21 Apr 2018