Summary statistics for d_2_sub2_c6_68 variable in hosp_rollup2552_96_1999 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_68 | 4 58.75 21.48449 38 87 by Jean Roth , jroth@nber.org , 7 Sep 2018