Summary statistics for s2_1_c3_11801 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s2_1_c3_11~1 | 344 4067983 1.92e+07 -810222 2.00e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018