Summary statistics for h4_2_hha3_c1_31 variable in prds_hosp10_yr2014 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h4_2~3_c1_31 | 2 6723244 9396986 78571 1.34e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018