Summary statistics for e3_5_c1_30 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- e3_5_c1_30 | 1,352 1894427 1836115 2393 1.34e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018