Summary statistics for d_2_sub1_c8_61 variable in hosp_rollup2552_96_1999 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~1_c8_61 | 1,656 961.2886 2013.5 1 40064 by Jean Roth , jroth@nber.org , 7 Sep 2018