Summary statistics for d1_hos_c1_63 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_hos_c1_63 | 28 1.32e+07 3.90e+07 22405 1.96e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018