Summary statistics for d4_sub1_c2_49 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_49 | 1,666 104902.2 243281.5 2 4569512 by Jean Roth , jroth@nber.org , 21 Apr 2018