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s=[1.43;1.48;1.15;1.57;1.96;3.46;3.49;1.35;2.17;2.4;2.43;2.68;2.38;1.43;1.42;1;1.24;1.59;1.67;1.32;2.43];
kurtosis(s)/std(s)
ans =
    4.0153

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monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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Retirement
2Â¥2011-08-06 07:41:04
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lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

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monitor2885(½ð±Ò+5): CDFÊÇÊ²Ã´ÄØ£¿ 2011-08-06 11:09:00
³ôË®¹µ(½ð±Ò+3): ллӦÖú~~ 2011-08-06 13:15:17
>> s=[1.43;1.48;1.15;1.57;1.96;3.46;3.49;1.35;2.17;2.4;2.43;2.68;2.38;1.43;1.42;1;1.24;1.59;1.67;1.32;2.43];
>> p_judge(s,0.05)

H1 =

     0


s1 =

    0.3186

¸ÃÊý¾ÝÔ´·þ´ÓÕý̬·Ö²¼¡£

H2 =

     0


s2 =

    0.4848

¸ÃÊý¾ÝÔ´·þ´Ó¦Ã·Ö²¼¡£

H3 =

     1


s3 =

  4.4963e-004

¸ÃÊý¾ÝÔ´²»·þ´Ó²´ËÉ·Ö²¼¡£

H4 =

     1


s4 =

    0.0011

¸ÃÊý¾ÝÔ´²»·þ´ÓÖ¸Êý·Ö²¼¡£

phat =

    1.4361


pci =

    1.1841
    1.8253


H5 =

     0


s5 =

    0.1979

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>>
½øÒ»²½µÄ¿´¿´
>> [h,p,istat,cv]=lillietest(s,0.05)

h =

     1


p =

    0.0253


istat =

    0.2013


cv =

    0.1877


ºÜÃ÷ÏԾܾøÔ­¼ÙÉ裻¼´ Êý¾ÝÔÚ0.05µÄÖÃÐÅˮƽϲ»ÊÇÕý̬·Ö²¼£»³ÐÈÏÔ­¼ÙÉèµÄ¸ÅÂÊΪ2.53%×óÓÒ
>> subplot(211)
>> normplot(s)
>> subplot(212)
>> hist(s)

ÓÉͼÐοÉÒÔÃ÷ÏÔ¿´³ö,²»·þ´Ó·Ö²¼¼ìÑéµÄ

ËùÒÔÎÒÈ¥²é¿´ÁËkstest µÄ°ïÖúÎĵµ ÖÕÓÚÖªµÀΪʲôÁË:Õâ¸öº¯Êý±¾À´¾Í²»ÊʺÏ×öÕý̬·Ö²¼µÄ¼ìÑé.Ô­ÎÄÊÇ:
The Kolmogorov-Smirnov test requires that CDF be predetermined. It is not accurate if CDF is estimated from the data. To test x against a normal distribution without specifying the parameters, use lillietest instead.
¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
3Â¥2011-08-06 09:23:47
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lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

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¡ï
monitor2885(½ð±Ò+2): 2011-08-06 11:29:09
³ôË®¹µ(½ð±Ò+1): ллӦÖú~~ 2011-08-06 13:15:57
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¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
4Â¥2011-08-06 09:40:38
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monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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The Kolmogorov-Smirnov test requires that CDF be predetermined. It is not accurate if CDF is estimated from the data. To test x against a normal distribution without specifying the parameters, use lillietest instead.

¸ø·­ÒëÒ»ÏÂߣ¬CDFɶÒâË¼ÄØ£¿Ê²Ã´Çé¿öÏÂkstest¿ÉÒÔ¼ì²âÊý¾ÝÊÇ·ñÕý̬·Ö²¼£¿
Retirement
5Â¥2011-08-06 11:12:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
³ôË®¹µ(½ð±Ò+3): ллӦÖú~~ 2011-08-06 13:19:00
monitor2885(½ð±Ò+3): 2011-08-06 14:03:38
ÒýÓûØÌû:
5Â¥: Originally posted by monitor2885 at 2011-08-06 11:12:31:
The Kolmogorov-Smirnov test requires that CDF be predetermined. It is not accurate if CDF is estimated from the data. To test x against a normal distribution without specifying the parameters, use  ...

ßÀ Ðֵܲ»ÊÇ°É Å¼µÄÓ¢Óï°¡ ²Ò²»È̶ð¡
help kstest ¾Í¿ÉÒÔ¿´¼û¾ßÌåµÄÁË
¸ü½øÒ»²½µÄ½âÊÍÊÇ
The function KSTEST by default, performs a two-tailed test. In case of such tests, if the significance level is alpha (0.05 by default), the null hypothesis is rejected if the P-value is less than alpha/2. To account for the tail in the computations, you have to specify the 4th input to the KSTEST function ('tail').
ĬÈϵÄÊÇ5%ˮƽµÄË«±ß¼ìÑé ÔÚȱʡÌõ¼þÏÂ, Èç¹ûPֵСÓÚ¦Á/ 2£¬Áã¼ÙÉè±»¾Ü¾ø...CDF°¡,ÄǸöÊÇÒ»¸ö·Ö²¼¸ÅÂʰ¡ Äã¿´¿´kstestµÄÓ÷¨¾ÍÃ÷°×ÁË
CODE:
A=A(:);
[mu,sigma]=normfit(A);
p1=normcdf(A,mu,sigma);
[H1,s1]=kstest(A,[A,p1],alpha)

¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
6Â¥2011-08-06 13:16:48
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monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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ÒýÓûØÌû:
6Â¥: Originally posted by lijinfeng042 at 2011-08-06 13:16:48:
ßÀ Ðֵܲ»ÊÇ°É Å¼µÄÓ¢Óï°¡ ²Ò²»È̶ð¡
help kstest ¾Í¿ÉÒÔ¿´¼û¾ßÌåµÄÁË
¸ü½øÒ»²½µÄ½âÊÍÊÇ
The function KSTEST by default, performs a two-tailed test. In case of such tests, if the significance level ...

kstest²»ÊʺϼìÑéÊý¾ÝµÄÕý̬·Ö²¼Âð£¿Õâ¸öº¯ÊýûʲôÓô¦ÁË£¿
lillietest¾ÍºÏÊÊ£¿
Retirement
7Â¥2011-08-06 14:20:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lijinfeng042

ľ³æ (СÓÐÃûÆø)

Matlab

¡ï
³ôË®¹µ(½ð±Ò+1): ллӦÖú~~ 2011-08-07 12:35:57
ÒýÓûØÌû:
7Â¥: Originally posted by monitor2885 at 2011-08-06 14:20:05:
kstest²»ÊʺϼìÑéÊý¾ÝµÄÕý̬·Ö²¼Âð£¿Õâ¸öº¯ÊýûʲôÓô¦ÁË£¿
lillietest¾ÍºÏÊÊ£¿

¼ÌÐøhelp °´ÕÕ˵Ã÷¾ÍÊÇÕâ¸öÑù×Ó ÖÁÓÚ¸üÏêϸµÄÔ­Àí  ¿´¿´edit kstest
Kolmogorov-Smirnov µÄ·½·¨ÎÒÊÇûÓбØÒªÑо¿µÄ ¸ÐÐËȤÄã¿ÉÒÔ¿´¿´
¹¤×÷ÁË,ż¶û»áÉÏÀ´~¿ÉÒÔ¹Ø×¢ÐÂÀË΢²© @ÔÆÊÇ·çµÄÃÎ_Matlab
8Â¥2011-08-07 09:23:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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µ½µ×ÎÒµÄÕâ×éÊý¾Ý·û²»·ûºÏÕý̬·Ö²¼°¡
Retirement
9Â¥2011-10-20 03:37:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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10Â¥2011-12-19 11:32:38
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