Summary statistics for d_2_sub2_c6_42 variable in hosp_rollup2552_96_2003 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_~2_c6_42 | 49 208.5918 410.1469 1 1988 by Jean Roth , jroth@nber.org , 21 Apr 2018