Summary statistics for c_1_c6_4201 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_4201 | 4 2.43e+07 3.22e+07 2611420 7.22e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018