Summary statistics for a8_c2_5 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a8_c2_5 | 1,476 -270505.3 1168523 -2.80e+07 1597630 by Jean Roth , jroth@nber.org , 21 Apr 2018