PCAplot: Plot Principal Components
In TalhoukLab/biostatUtil: Utility Functions Used in Biostatistics Projects
PCAplot R Documentation
Plot Principal Components
Description
Plot the first three PCs and draw ellipses highlighting
differences in the levels of a factor
Usage
PCAplot(by, tdat)
Arguments
by
factor to plot as ellipses on PCA plots
tdat
data matrix to compute principal components
Value
PCA plots for every combination of PC1, PC2, and PC3. The
percentage of variation contribution is shown in the axes labels.
Author(s)
Aline Talhouk, Derek Chiu
Examples
PCAplot(mtcars$cyl, mtcars)
PCAplot(mtcars$gear, mtcars)
TalhoukLab/biostatUtil documentation built on April 14, 2025, 4:15 a.m.
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| PCAplot | R Documentation |
Plot Principal Components
Description
Plot the first three PCs and draw ellipses highlighting differences in the levels of a factor
Usage
PCAplot(by, tdat)
Arguments
by |
factor to plot as ellipses on PCA plots |
tdat |
data matrix to compute principal components |
Value
PCA plots for every combination of PC1, PC2, and PC3. The percentage of variation contribution is shown in the axes labels.
Author(s)
Aline Talhouk, Derek Chiu
Examples
PCAplot(mtcars$cyl, mtcars)
PCAplot(mtcars$gear, mtcars)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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