Summary statistics for e_b_sub2_c1_30 variable in hosp_rollup2552_96_2002 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e_b_sub2_~30 | 9 -522.5556 557 -1410 -22 by Jean Roth , jroth@nber.org , 10 Sep 2018