MAplot {DataVisualizations}R Documentation

Minus versus Add plot

Description

Bland-Altman plot [Altman/Bland, 1983].

Usage

MAplot(x,y,islog=TRUE,densityplot=FALSE,

main='MA-plot',xlab,ylab,Cls)

Arguments

x

[1:n] numerical vector of a feature/variable

y

[1:n] another numerical vector of a feature/variable

islog

TRUE: MAplot, FALSE: M=x-y versus a=0.5(x+y)

densityplot

FALSE: Scatterplot, TRUE: density scatter plot with PDE

main

see plot

xlab

see plot

ylab

see plot

Cls

prior Classification as a numeric vector.

Details

Bland-Altman plot [Altman/Bland, 1983] for visual representation of genomic data or in order to decorrelate data.

Value

MA

[1:n,2] Matrix of Minus component of two features and Add component of two features

ggplot

see ggplot2 output, if densityplot=TRUE, else NULL

Author(s)

Michael Thrun

References

[Altman/Bland, 1983] Altman D.G., Bland J.M.: Measurement in medicine: the analysis of method comparison studies, The Statistician, Vol. 32, p. 307-317, doi:10.2307/2987937, 1983.

[Ultsch, 2005] Ultsch, A.: Pareto Density Estimation: A Density Estimation for Knowledge Discovery, Baier D., Wernecke K.D. (Eds), In Innovations in Classification, Data Science, and Information Systems - Proceedings 27th Annual Conference of the German Classification Society (GfKL) 2003, Berlin, Heidelberg, Springer, pp, 91-100, 2005.

Examples

#taken from [Thrun/Ultsch, 2018]
data("ITS")
data("MTY")
MAlist=MAplot(ITS,MTY)
[Package DataVisualizations version 1.2.2 Index]