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How to perform verification of the Statistical Analysis Software?

SGquality

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#1
I have an open source software (RStudio) that is used for t test, ANOVA, Correlation Test, etc. and wanted to know if there are "golden sample" data sets to give the known output?

I am basically trying to run this golden data set to get the desired output and show it like a verification of the open source software.

Thank you!
 
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v9991

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#5
I have an open source software (RStudio) that is used for t test, ANOVA, Correlation Test, etc. and wanted to know if there are "golden sample" data sets to give the known output?

I am basically trying to run this golden data set to get the desired output and show it like a verification of the open source software.

Thank you!
Referencing to text books is one option...but book or guide cannot be justified.and defended as standard.

One best approach is either to compare two different applications. Viz jmp vs minitab. Or jmp/minitab vs excel
For excel. We need to trace the steps ...of creating the entire details (simpler formulae could be done thru calculator. But very laborious )

Thisnis often best approach, as a. We have complete knowledge and confidence on the steps.of verification
 

Mike S.

Happy to be Alive
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#6
Referencing to text books is one option...but book or guide cannot be justified.and defended as standard.

One best approach is either to compare two different applications. Viz jmp vs minitab. Or jmp/minitab vs excel
For excel. We need to trace the steps ...of creating the entire details (simpler formulae could be done thru calculator. But very laborious )

Thisnis often best approach, as a. We have complete knowledge and confidence on the steps.of verification
I am confused. Why could comparing to a book not be justified but comparing to another software program could?

If I have textbook that gives an example and answer, and my software matches that answer, what reasonable person would not consider that an adequate verification of the software for that type problem?
 

v9991

Trusted Information Resource
#8
I am confused. Why could comparing to a book not be justified but comparing to another software program could?

If I have textbook that gives an example and answer, and my software matches that answer, what reasonable person would not consider that an adequate verification of the software for that type problem?
it is not about reasonable person; it is about the 'rationale', ' adequacy and reliability' of using a text book as reference.
when we want to perform verification, the reference has to be a standard. ( known - reliable -traceable etc )
1. the steps followed in book could be different OR not always explicitly outlined ; simplest examples could be like standard deviation calculated to population vs sample; rounding of no. of values/digits; and other intricacies as we go into calculation involving multiple steps.
I acknowledge that contents published in book are also verified/reviewed - proof-read ; but COTS-testing/release process is better and more reliable.
note :- guidance and standard are not equated with text book.

2. sl.1 is also relevant when we take a 2nd "commercial off-the-shelf" application; but its a reasonable consideration that it has gone thru necessary testing & release processes; which is better and more reliable than reference to an book.
and, as for excel, it is similar to COTS, and since its done inhouse, we are in-charge of complete reference used in verification process.

3. and obvious one of them are that, text books are prone to errors; which is why they publish errata etc.,
 
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