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nhtarnold(½ð±Ò+5): 2010-11-28 12:24:39
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Pearsons ¿¨·½Í³¼ÆÁ¿ X2: http://en.wikipedia.org/wiki/Pearson%27s_chi-square_test
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[ Last edited by wxqyulu on 2010-11-30 at 16:26 ]
2Â¥2010-11-28 04:16:18
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cqsmath(½ð±Ò+2):лл²ÎÓ룡 2010-11-29 18:44:28
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Originally posted by wxqyulu at 2010-11-28 04:16:18:
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Pearsons ¿¨·½Í³¼ÆÁ¿ X2: http://en.wikipedia.org/wiki/Pearson%27s_chi-square_test
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nhtarnold(½ð±Ò+10):·Ç³£¸Ðл£¡ 2010-11-29 16:01:29
X=(138*0-27*10)^2/(138*27*10) + (138*13-27*114)^2/(138*27*114) + (138*14-27*14)^2/(138*27*14)
Y=(138*2-94*10)^2/(138*94*10) + (138*92-94*114)^2/(138*94*114) + (138*0 -94*14)^2/(138*94*14)
Z=(138*8-17*10)^2/(138*17*10) + (138*9 -17*114)^2/(138*17*114) + (138*0 -17*14)^2/(138*17*14)
X2=X+Y+Z=108.4 ²»ÊÇ122.1°¡
5Â¥2010-11-28 17:05:32
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nhtarnold

½ð³æ (ÖøÃûдÊÖ)


ÒýÓûØÌû:
Originally posted by wxqyulu at 2010-11-28 17:05:32:
X=(138*0-27*10)^2/(138*27*10) + (138*13-27*114)^2/(138*27*114) + (138*14-27*14)^2/(138*27*14)
Y=(138*2-94*10)^2/(138*94*10) + (138*92-94*114)^2/(138*94*114) + (138*0 -94*14)^2/(138*94*14)
Z=(138* ...

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½ð³æ (СÓÐÃûÆø)


nhtarnold(½ð±Ò+2):лл 2010-11-30 20:19:12
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Originally posted by nhtarnold at 2010-11-28 12:51:11:
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X=(0-1.9)^2/1.9 + (13-18.2)^2/18.2 + (14-1.9)^2/1.9
Y=(2-8.2)^2/8.2 + (92-77.6)^2/77.6 + (0-8.2)^2/8.2
Z=(8-1.9)^2/1.9 + (9-18.2)^2/18.2   + (0-1.9)^2/1.9
X2=X+Y+Z= 122.1

P ÖµµÄ¼ÆËã¿ÉÒÔ¸ù¾Ý¶¨Ò壬p-value =1-F4(X2)£¬FΪÀÛ»ýº¯Êý£¬¼û http://en.wikipedia.org/wiki/Chi ... utionÖеÄCumulative distribution function
7Â¥2010-11-30 16:25:26
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nhtarnold

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Originally posted by wxqyulu at 2010-11-30 16:25:26:

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nhtarnold

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Originally posted by wxqyulu at 2010-12-01 00:49:22:
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½ð³æ (СÓÐÃûÆø)


nhtarnold(½ð±Ò+2):лл£¡ 2010-12-03 20:41:22

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[ Last edited by wxqyulu on 2010-12-3 at 06:46 ]
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nhtarnold

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ÒýÓûØÌû:
Originally posted by wxqyulu at 2010-12-03 06:41:56:

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[ Last edited by wxqyulu on 2010-12-3 at 06:46 ]

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½ð³æ (СÓÐÃûÆø)


nhtarnold(½ð±Ò+1):¶àлÁËÐֵܣ¡ 2010-12-05 15:53:29
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Originally posted by nhtarnold at 2010-12-03 20:44:42:

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