Summary statistics for c_1_c7_75 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_75 | 589 1.45e+07 2.28e+07 1810 2.12e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018