Summary statistics for d_2_sub2_c6_55 variable in hosp_rollup2552_96_2009 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_55 | 97 157.7423 484.1442 1 4101 by Jean Roth , jroth@nber.org , 21 Apr 2018