Summary statistics for a8_c2_16 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_16 | 4,369 -379056.9 716375.2 -1.59e+07 210417 by Jean Roth , jroth@nber.org , 21 Apr 2018