Summary statistics for s10_c1_7 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s10_c1_7 | 4,520 2.07e+07 5.70e+07 -6033971 2.02e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018