Summary statistics for a_c6_60 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_60 | 1,454 -2445667 8386112 -2.05e+08 5853854 by Jean Roth , jroth@nber.org , 21 Apr 2018