Summary statistics for s3_1_c4_6 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_1_c4_6 | 3,694 1623.102 1782.03 1 20338 by Jean Roth , jroth@nber.org , 6 Sep 2018