Summary statistics for d4_sub2_c2_40 variable in hosp_rollup2552_96_2005 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_40 | 340 28560.51 245503.8 1 4366647 by Jean Roth , jroth@nber.org , 21 Apr 2018