Summary statistics for s4_hha2_c1_33 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha2_c1~3 | 18 6660.667 4587.223 485 17476 by Jean Roth , jroth@nber.org , 24 Aug 2018