Summary statistics for h3_1_hha2_c6_4 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- h3_1_~2_c6_4 | 4 11.25 9.878428 1 22 by Jean Roth , jroth@nber.org , 24 Aug 2018