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Monica_1134
‎07-22-2022
  • 3 Posts
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What is the standard p-value for Anderson-darling test in SAS

by Calcite | Level 5 in SAS Programming
‎07-22-2022 01:36 AM
‎07-22-2022 01:36 AM
Hi,   I analysis a set of data with Weibull distribution. There is a automatic calculate about Anderson-Darling test and its p-value. But I didn't find the standard p-value in SAS that let me know the distribution whether has a good fit. I know the regular standard value of p is 0.05. When p-value <0.05, we reject the hypothesis, vice versa.   Is the standard p-value also equal to 0.05 in SAS? or is 0.01 or 0.1?   Thank you. ... View more

Re: How to perform Kolmogorov-Smirnov Test with Weiubll Distribution i...

by Calcite | Level 5 in SAS Programming
‎07-14-2022 06:30 AM
‎07-14-2022 06:30 AM
hi, Thank you for your answer! Actually, I didn't very understand about these statistic distribution methods. So I don't know it can't apply on it. The reason why I want to use KS is that I want to compare different distribution plots. However, how about Chi-square Test? I tried the same data with following programming: proc freq data=a; tables WD / chisq; run; The result of this programming is zero. And it also can't apply on assigned distribution method. I also tried these: proc capability data=a; var WD; histogram / weibull; run; proc capabiblity data=a; var WD; histogram / gumbel; run; There was a result of Chi-square, but the value of it was unreasonable. The better distribution plot with a larger Chi-square, the worse distribution plot with a smaller Chi-square . ... View more

How to perform Kolmogorov-Smirnov Test with Weiubll Distribution in SA...

by Calcite | Level 5 in SAS Programming
‎07-14-2022 05:39 AM
‎07-14-2022 05:39 AM
hi,   I import a excel file in SAS. The data I need to analyze is called "WD" I can succeed to perform Weibull distribution for WD. But I can't find Kolmogorov-Smirnov value on result page.   When I work with Normal and Gumbel Distribution, there is a KS value automatic show on result page. But if I work with Weibull distribution, there isn't any KS result. Does anyone know how can I perform this problem?   My programming is: proc univariate data=a; histogram WD / weibull; run; I also tried this: proc univariate data=a; histogram WD / weibull (mu=est sigma=est); run;   Both of above programming cannot result KS value. ... View more
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