Summary statistics for e3_6_snf_c1_4 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_6_snf_~_4 | 892 1446593 1753718 -3 2.21e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018