Summary statistics for d1_ipf_c1_53 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_ipf_c1_53 | 404 2444419 2175603 351 1.71e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018