Summary statistics for s4_hha1_c2_37 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s4_hha1_c2~7 | 912 21.43311 97.83601 1 2236 by Jean Roth , jroth@nber.org , 24 Aug 2018