Summary statistics for c_1_c6_31 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_31 | 1,199 1.91e+07 3.44e+07 1015 4.26e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018