Summary statistics for c_1_c5_4501 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_4501 | 4 1.55e+07 2.27e+07 2179316 4.95e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018