Summary statistics for s3_1_c4_18 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c4_18 | 1,471 9760.201 14170.39 7 231025 by Jean Roth , jroth@nber.org , 21 Apr 2018