Summary statistics for d_2_sub2_c6_54 variable in hosp_rollup2552_96_2009 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_54 | 52 21.76923 42.86304 1 223 by Jean Roth , jroth@nber.org , 21 Apr 2018