Summary statistics for d4_sub1_c2_56 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_56 | 1,678 790273.3 1051336 1 1.48e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018