Summary statistics for d_2_sub1_c6_40 variable in hosp_rollup2552_96_1999 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~1_c6_40 | 681 168.3113 1170.15 1 21233 by Jean Roth , jroth@nber.org , 7 Sep 2018