Summary statistics for d4_sub1_c2_48 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_48 | 249 54634.33 400586.3 1 4459975 by Jean Roth , jroth@nber.org , 21 Apr 2018