送交者: wasqaz 于 2009-05-30, 16:57:41:

回答: 你就不会多读一句？ 由 wasguru 于 2009-05-30, 16:54:02:

• the errors have expectation zero and are uncorrelated and have equal variances - wasqaz (113 bytes) 2009-05-30, 17:01:37 (331339)
  • 这个条件连非对称r.v..都能满足,怎么会和高斯分布等价? (无内容) - LaoXiao (0 bytes) 2009-05-30, 18:07:06 (331352)
    • 是么？<Xi>=0, <Xi Xj>=0 - wasqaz (90 bytes) 2009-05-30, 18:25:56 (331353)
      • Let {Xi} be any i.i.d. r.v. with finite 2nd moment, then ...... - LaoXiao (92 bytes) 2009-05-30, 20:50:43 (331369)
      • 有何不可？ - wasguru (100 bytes) 2009-05-30, 18:34:34 (331354)
        • 方差相等也是两个随机变量之间的关系 - wasguru (114 bytes) 2009-05-30, 18:53:11 (331359)
        • and have equal variances - wasqaz (25 bytes) 2009-05-30, 18:49:01 (331356)
  • 等价? 差远了去. (无内容) - LaoXiao (0 bytes) 2009-05-30, 17:58:08 (331351)
  • 当然不等价 (无内容) - wasguru (0 bytes) 2009-05-30, 17:04:08 (331341)

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