Summary statistics for a_c1_6 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_6 | 3,985 1.07e+07 3.76e+07 -6731 7.96e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018