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sjk13b
sjk13b
Level I

Is there a way to create a bland-altman analysis and have the mean be based on a theoretical value?

Mar 7, 2016 05:06 PM (7606 views)

So I have two trials of data and I want to analyze how far they are away from 0.667, is there a way to make 0.667 my x-line?

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ian_jmp
Staff ian_jmp
Staff
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Re: Is there a way to create a bland-altman analysis and have the mean be based on a theoretical value?

Mar 8, 2016 10:58 AM (7774 views)  |  Posted in reply to message from sjk13b 03-07-2016

As conventionally understood, a Bland-Altman analysis is for testing the level of agreement between two different ways of measuring the same thing. See, for example:

http://www.stattutorials.com/SAS/TUTORIAL-BLAND-ALTMAN.htm

https://en.wikipedia.org/wiki/Bland–Altman_plot

https://community.jmp.com/docs/DOC-6171

So using this approach doesn't seem to stack up with your desire to 'analyze how far each trial is away from 0.667'.


Can you describe a little more how your data was measured, or better yet, supply a sample?

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ian_jmp
Staff ian_jmp
Staff
Solution

Re: Is there a way to create a bland-altman analysis and have the mean be based on a theoretical value?

Mar 8, 2016 10:58 AM (7775 views)  |  Posted in reply to message from sjk13b 03-07-2016

As conventionally understood, a Bland-Altman analysis is for testing the level of agreement between two different ways of measuring the same thing. See, for example:

http://www.stattutorials.com/SAS/TUTORIAL-BLAND-ALTMAN.htm

https://en.wikipedia.org/wiki/Bland–Altman_plot

https://community.jmp.com/docs/DOC-6171

So using this approach doesn't seem to stack up with your desire to 'analyze how far each trial is away from 0.667'.


Can you describe a little more how your data was measured, or better yet, supply a sample?