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ctmva (version 1.6.0)

Continuous-Time Multivariate Analysis

Description

Implements a basis function or functional data analysis framework for several techniques of multivariate analysis in continuous-time setting. Specifically, we introduced continuous-time analogues of several classical techniques of multivariate analysis, such as principal component analysis, canonical correlation analysis, Fisher linear discriminant analysis, K-means clustering, and so on. Details are in Biplab Paul, Philip T. Reiss, Erjia Cui and Noemi Foa (2025) "Continuous-time multivariate analysis" .

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Version

Install

install.packages('ctmva')

Monthly Downloads

173

Version

1.6.0

License

GPL (>= 2)

Maintainer

Biplab Paul

Last Published

February 1st, 2026

Functions in ctmva (1.6.0)

ctmva-internal

Internal helper functions for ctmva
inprod.cent

Centered inner product matrix for a basis or pair of bases
procrustes.plot.mds

Plot of classical and continuous-time principal coordinates
s3

Symmetric sandwich smoother
mds.ct

Continuous-time multidimensional scaling
meanbasis

Compute means of basis functions
ccor

Curve correlation
cov.ct

Continuous-time covariance or cross-covariance matrix
center.ct

Center a continuous-time multivariate data set
cca.ct

Continuous-time canonical correlation analysis
ccor_posim

Credible interval estimation for curve correlation based on posterior simulation
ccor_oneboot

Curve correlation for a single bootstrap sample
ccor_boot

Bootstrap confidence interval estimation for curve correlation
cor.ct

Continuous-time correlation or cross-correlation matrix
plot.lda.ct

Plot an lda.ct object
plot.mds.ct

Plot an mds.ct object
pca.ct

Continuous-time principal component analysis
procrustes.mds.ct

Procrustes transformation for continuous-time multidimensional scaling
plot.silhouette.ct

Plot a silhouette.ct object
lda.ct

Continuous-time Fisher's linear discriminant analysis
kmeans.ct

Continuous-time k-means clustering
plot.kmeans.ct

Plot a kmeans.ct object
silhouette.ct

Silhouettes for continuous-time k-means clustering
standardize.ct

Center and scale a continuous-time multivariate data set