Summary statistics for d3_snf_c2_30 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d3_snf_c2_30 | 30 3711243 1.44e+07 265 7.92e+07 by Jean Roth , jroth@nber.org , 26 Oct 2018