Summary statistics for a7_1_c1_4 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c1_4 | 2,047 2.28e+07 6.78e+07 -61953 9.40e+08 by Jean Roth , jroth@nber.org , 26 Oct 2018