Summary statistics for d4_sub1_c2_55 variable in hosp_rollup2552_96_2011 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1_c2~5 | 4 7750.25 1173.058 5992 8401 by Jean Roth , jroth@nber.org , 21 Apr 2018