Summary statistics for s3_1_c4_18 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c4_18 | 1,786 10175.32 13046.39 4 131393 by Jean Roth , jroth@nber.org , 12 Sep 2018