Summary statistics for d4_sub1_c2_6201 variable in hosp_rollup2552_96_1999 data Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4~1_c2_6201 | 13 2007.308 2104.095 349 6827 by Jean Roth , jroth@nber.org , 7 Sep 2018