Summary statistics for d4_sub2_c2_52 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_52 | 349 128000.3 170426.1 37 1142628 by Jean Roth , jroth@nber.org , 21 Apr 2018