Summary statistics for d4_sub1_c3_56 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_56 | 1,731 144556.4 141553.7 21 1114215 by Jean Roth , jroth@nber.org , 21 Apr 2018