Summary statistics for miacc dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- st_case | 36,937 274009.6 160632.4 10001 560107 year | 36,937 1991 0 1991 1991 a1 | 36,937 8.446707 10.47891 0 88 a2 | 36,937 8.423938 10.47618 0 88 a3 | 36,937 8.448412 10.49448 0 88 -------------+--------------------------------------------------------- a4 | 36,937 8.404689 10.46876 0 88 a5 | 36,937 8.478409 10.47351 0 88 a6 | 36,937 8.485421 10.49172 0 88 a7 | 36,937 8.433901 10.48618 0 88 a8 | 36,937 8.424209 10.46721 0 88 -------------+--------------------------------------------------------- a9 | 36,937 8.389393 10.45835 0 88 a10 | 36,937 8.367436 10.44318 0 88 by Jean Roth , jroth@nber.org , 18 Apr 2016