Summary statistics for d4_sub2_c2_52 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_52 | 351 147192.8 208504.4 7 1932640 by Jean Roth , jroth@nber.org , 21 Apr 2018