Summary statistics for d4_sub1_c3_51 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_51 | 816 147339.6 243678.3 1 1937775 by Jean Roth , jroth@nber.org , 21 Apr 2018