Summary statistics for a_c6_16 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_16 | 1,923 -404587.8 3256745 -7.82e+07 1.41e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018