Summary statistics for c_1_c7_89 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_89 | 3 4.93e+07 8.26e+07 499777 1.45e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018