Hi all,
Although I watched all the videos about Bland Altman plot in SPSS, I could not find any information regarding how to use this statistics in multiple replicates for each method. Hope someone can help me to do this in Excel or SPSS.
Thanks,
Elif
Pl get a complete information from the link
https://www.medcalc.org/manual/blandaltmanmultiple.php
Ajit kumar Roy thank you but I think it is in medcalc not in SPSS or excel
Elif it is not very easy to draw a BA plot in SPSS. I recommend R for this.
Take a look at the following entry
https://www.researchgate.net/post/How_to_manage_Bland_Altman_analysis_with_more_than_one_couple_of_measurements
and this
http://www-users.york.ac.uk/~mb55/meas/bland2007.pdf
Mehmet Sinan Iyisoy thank you Mehmet! What about excel? Do you have any idea? I think I will end up with R.
Victor Casero–Alonso No I haven't. Actually I was thinking to use the mean of measurements but still I am not hundred percent sure if it is suitable for my data.
I mean, in SPSS you can do an analysis, graph or task directly or by syntax. When you are in a dialog box, instead of pressing the "execute" button you can press "paste", which opens a new window with the syntax used by SPSS to perform this task.
Then, you can use the code to repeat the analysis at any time or modify it for other variables ...
It requires some basic fundamentals about programming.
Here you are a link to the ibm-spss webpage where you can find the syntax:
http://www-01.ibm.com/support/docview.wss?uid=swg21476730
Hello Elif İnan-Eroğlu
The better way to perform this analysis will depend of your dataset organization. If your data are as stacked the way is different from non-stacked structure (records in line). Maybe you could share a little part of your dataset to clarify your demand... You can use SPSS to run Bland-Altman from both dataset formats
Lucas Bassolli Alves Hi Lucas, you can find the attached similar sample document to my data
Thank you Victor Casero–Alonso I will try Syntax but I am not really good at it.
Elif, what if you ignore time and participant of the replicate and do a simple BA plot of two measurements?
Mehmet Sinan Iyisoy I did it this way but I wasn't sure whether it is the right way or not. In the article below, they say 2 ways to do it but of course they do not explain how to perform it SPSS :(Article Agreement Between Methods of Measurement with Multiple Obser...
The answer depends also on your aims of analysis. What exactly do you want to do? Do you just need to draw a BA plot?
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