Summary statistics for c_1_c6_29 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_29 | 195 1.00e+07 1.29e+07 137 9.78e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018