File:Bland-altman plot.png
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Summary
[edit]DescriptionBland-altman plot.png |
English: An example of Bland-Altman disagreement plot with the same data set used by Bland and Altman in their original publication at Lancet (1996). The two extreme lines are the 2 and -2 standard deviation of the difference between two methods. |
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Date | 2 August 2008 (upload date) | ||
Source | Own work | ||
Author | Dekisugi | ||
Other versions |
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Creation
[edit]This plot was created by using the R statistical programming language. Here is the function:
bland_altman_plot <- function(method1,method2, xlab="Average", ylab="Difference") { avgMean <- stack(mean(as.data.frame(t(cbind(method1, method2)))))$values diff <- method1 - method2 plot(diff ~ avgMean,pch=16,ylim=c(-100,100),xlab=xlab,ylab=ylab) abline(h=mean(diff)-c(-2,0,2)*sd(diff),lty=2) }
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:30, 2 August 2008 | 1,008 × 1,008 (39 KB) | Dekisugi~commonswiki (talk | contribs) | {{Information |Description={{en|1=An example of Bland-Altman disagreement plot with the same data set used by Bland and Altman in their original publication at Lancet (1996).}} |Source=Own work by uploader |Author=Dekisugi |Date=02-08-20 |
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