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feixiaolin

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95%ÖÃÐÅÇø¼ä¿É²Î¿¼2#
residual = residual error = error
2Â¥2014-04-17 22:44:20
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wennanou

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2Â¥: Originally posted by feixiaolin at 2014-04-17 22:44:20
95%ÖÃÐÅÇø¼ä¿É²Î¿¼2#
residual = residual error = error

ллÄãµÄ»Ø´ð£¡ÎÒÏëÖªµÀ error¶ÔÓ¦µÄ×ÔÓɶÈÊÇÔõô¼ÆËãµÄ   ÎÒÓÐÁ½¸öÒòËØµÄ½»»¥ÊµÑ飬·Ö±ðËĸöÌݶȣ¬ÕâÑùÓÐ16¸ö´¦Àí×飬ÿ¸ö´¦Àí×éÓÐ9¸ö¹Û²â£¬ÒòËØ1ºÍ2µÄ×ÔÓɶȷֱðÊÇ3£¬ÄÇerror¶ÔÓ¦µÄdfÔõôËã°¡
3Â¥2014-04-18 10:44:13
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wennanou

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ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2014-04-17 22:44:20
95%ÖÃÐÅÇø¼ä¿É²Î¿¼2#
residual = residual error = error

ÎÒÏëÎÊһϠ Çó³öµÄ95%ÖÃÐÅÇø¼äÓиöÉÏÏÞºÍÏÂÏÞÁ½¸öÊýÖµ£¬µ«ÊÇ¿´µ½ÎÄÏ×ÖбíʾÐÎʽÊÇmean¡À95%CI£¬Èç0.131¡À0.011,ÄÇÎÒÕâ¸öÔËÐнá¹ûÊDz»ÊÇ¿ÉÒÔÓÃÀ´±íʾ³ÉÕâÖÖÐÎʽ£¬Á½¸öÊýÖµÓÃÄÄÒ»¸ö£¿»¹ÊÇ˵ÎÒÔËÐеķ½·¨²»¶Ô
4Â¥2014-04-18 10:56:11
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feixiaolin

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4Â¥: Originally posted by wennanou at 2014-04-18 10:56:11
ÎÒÏëÎÊһϠ Çó³öµÄ95%ÖÃÐÅÇø¼äÓиöÉÏÏÞºÍÏÂÏÞÁ½¸öÊýÖµ£¬µ«ÊÇ¿´µ½ÎÄÏ×ÖбíʾÐÎʽÊÇmean¡À95%CI£¬Èç0.131¡À0.011,ÄÇÎÒÕâ¸öÔËÐнá¹ûÊDz»ÊÇ¿ÉÒÔÓÃÀ´±íʾ³ÉÕâÖÖÐÎʽ£¬Á½¸öÊýÖµÓÃÄÄÒ»¸ö£¿»¹ÊÇ˵ÎÒÔËÐеķ½·¨²»¶Ô...

(ÉÏÏÞ + ÏÂÏÞ)/2 = mean
(ÉÏÏÞ - ÏÂÏÞ)/2 = 95%CI
5Â¥2014-04-18 11:31:42
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wennanou

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by feixiaolin at 2014-04-18 11:31:42
(ÉÏÏÞ + ÏÂÏÞ)/2 = mean
(ÉÏÏÞ - ÏÂÏÞ)/2 = 95%CI...

ллÄãµÄÄÍÐĻشð£¡ÎҸղſ´µ½ÁË×Ô¼ºµÄÔËÐнá¹û£¬
mean 0.217£¬ÏÂÏÞ 0.214£¬ÉÏÏÞ0.220£¬ÄÇô°´ÕÕÎÄÏ×ÀïµÄÐÎʽ¾Í¿ÉÒÔ±íʾ³É0.217¡À0.003£¨95%CI£©,ÊÇÕâÑùÂð£¿
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6Â¥2014-04-18 14:47:43
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feixiaolin

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ÒýÓûØÌû:
6Â¥: Originally posted by wennanou at 2014-04-18 14:47:43
ллÄãµÄÄÍÐĻشð£¡ÎҸղſ´µ½ÁË×Ô¼ºµÄÔËÐнá¹û£¬
mean 0.217£¬ÏÂÏÞ 0.214£¬ÉÏÏÞ0.220£¬ÄÇô°´ÕÕÎÄÏ×ÀïµÄÐÎʽ¾Í¿ÉÒÔ±íʾ³É0.217¡À0.003£¨95%CI£©,ÊÇÕâÑùÂð£¿
ÁíÍâÎÒ¿´µ½±ê×¼ÎóÊÇ0.001£¬Ê²Ã´Çé¿öÓÃmean¡ÀSEÄØ£¿
...

mean¡ÀSE         ¶ÔÓ¦            Intergrate[1/sqrt(2*pi)/sigma*exp(-x^2/2/signa^2), {x, -sigma, sigma}]
7Â¥2014-04-18 15:29:28
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