Summary statistics for s3_3_c4_1 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_3_c4_1 | 4,239 6.48e+07 1.03e+08 1 1.88e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018