Summary statistics for d4_sub1_c2_59 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_59 | 441 494946 3244965 2 6.30e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018