Summary statistics for d1_ipf_c1_49 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_ipf_c1_49 | 1,162 2747796 2313741 9324 2.36e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018