Summary statistics for a_c6_22 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_22 | 425 -2210496 1.41e+07 -1.61e+08 4.97e+07 by Jean Roth , jroth@nber.org , 26 Oct 2018