Summary statistics for d4_snf_c3_37 variable in hosp_rollup2552_96_1999 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_snf_c3_37 | 1,143 10090.39 27944.03 2 416563 by Jean Roth , jroth@nber.org , 7 Sep 2018