Summary statistics for s3_2_c4_1 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_2_c4_1 | 4,243 6.52e+07 1.04e+08 1 1.86e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018