Summary statistics for a_c6_22 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_22 | 689 -1135885 1.27e+07 -1.52e+08 8.87e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018