Summary statistics for c_1_c5_89 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_89 | 4 4.53e+07 4.86e+07 1637642 9.01e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018