Summary statistics for d3_snf_c2_30 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_snf_c2_30 | 132 1651252 7057043 1 7.92e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018