Summary statistics for d1_irf_c1_49 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_irf_c1_49 | 361 3792298 2587217 257536 1.86e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018