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PCADSC  

Tools for Principal Component Analysis-Based Data Structure Comparisons
View on CRAN: Click here


Download and install PCADSC package within the R console
Install from CRAN:
install.packages("PCADSC")

Install from Github:
library("remotes")
install_github("cran/PCADSC")

Install by package version:
library("remotes")
install_version("PCADSC", "0.8.0")



Attach the package and use:
library("PCADSC")
Maintained by
Anne H. Petersen
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2017-04-19
Latest Update: 2017-04-19
Description:
A suite of non-parametric, visual tools for assessing differences in data structures for two datasets that contain different observations of the same variables. These tools are all based on Principal Component Analysis (PCA) and thus effectively address differences in the structures of the covariance matrices of the two datasets. The PCASDC tools consist of easy-to-use, intuitive plots that each focus on different aspects of the PCA decompositions. The cumulative eigenvalue (CE) plot describes differences in the variance components (eigenvalues) of the deconstructed covariance matrices. The angle plot presents the information loss when moving from the PCA decomposition of one dataset to the PCA decomposition of the other. The chroma plot describes the loading patterns of the two datasets, thereby presenting the relative weighting and importance of the variables from the original dataset.
How to cite:
Anne H. Petersen (2017). PCADSC: Tools for Principal Component Analysis-Based Data Structure Comparisons. R package version 0.8.0, https://cran.r-project.org/web/packages/PCADSC. Accessed 10 Mar. 2026.
Previous versions and publish date:
No previous versions
Other packages that cited PCADSC R package
View PCADSC citation profile
Other R packages that PCADSC depends, imports, suggests or enhances
Complete documentation for PCADSC
Functions, R codes and Examples using the PCADSC R package
Some associated functions: CEPlot . PCADSC . anglePlot . chromaPlot . doAngle . doCE . doChroma . 
Some associated R codes: CEPlot.R . PCADSC.R . anglePlot.R . chromaPlot.R . doAngle.R . doCE.R . doChroma.R .  Full PCADSC package functions and examples
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