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Elisa97
Fluorite | Level 6 Elisa97
Fluorite | Level 6
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Bland-Altman with multiple observations per individual

Posted 11-08-2023 08:02 AM (1358 views)

Hi everyone,

 

I have 21 subjects and 4 observations per subject.

 

Do you know how can I do a single Bland-Altman plot ? I don't how to calculate the mean and the limits of agreement.

 

Thank you.

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Quentin
Super User Quentin
Super User

Re: Bland-Altman with multiple observations per individual

Posted 11-08-2023 09:17 AM (1333 views)  |   In reply to Elisa97

Easiest way to start researching would be to go to www.lexjansen.com which is an index of SAS user group papers, and search for Bland-Altman plot.  You'll find papers like: https://support.sas.com/resources/papers/proceedings18/1815-2018.pdf  .

The Boston Area SAS Users Group is hosting free webinars!
Next up: Troy Martin Hughes presents Calling Open-Source Python Functions within SAS PROC FCMP: A Google Maps API Geocoding Adventure on Wednesday April 23.
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Quentin
Super User Quentin
Super User

Re: Bland-Altman with multiple observations per individual

Posted 11-08-2023 09:17 AM (1334 views)  |   In reply to Elisa97

Easiest way to start researching would be to go to www.lexjansen.com which is an index of SAS user group papers, and search for Bland-Altman plot.  You'll find papers like: https://support.sas.com/resources/papers/proceedings18/1815-2018.pdf  .

The Boston Area SAS Users Group is hosting free webinars!
Next up: Troy Martin Hughes presents Calling Open-Source Python Functions within SAS PROC FCMP: A Google Maps API Geocoding Adventure on Wednesday April 23.
Register now at https://www.basug.org/events.
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Elisa97
Fluorite | Level 6 Elisa97
Fluorite | Level 6

Re: Bland-Altman with multiple observations per individual

Posted 11-15-2023 02:51 AM (1238 views)  |   In reply to Quentin
Thank you very much! Have a nice day!
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sbxkoenk
SAS Super FREQ sbxkoenk
SAS Super FREQ

Re: Bland-Altman with multiple observations per individual

Posted 11-15-2023 05:52 AM (1227 views)  |   In reply to Elisa97

Plot Layering for Bland-Altman Graph
By Sanjay Matange on Graphically Speaking January 3, 2014
https://blogs.sas.com/content/graphicallyspeaking/2014/01/03/plot-layering-for-bland-altman-graph/

 

BR, Koen

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  • ‎11-08-2023 08:02 AM
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