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funHMM: Hidden Markov Models for Functional Data

Fits hidden Markov models to time-ordered sequences of curves, such as sample paths of stochastic processes or smoothed functional observations, without projecting the curves onto a finite basis. The emission functions are Onsager-Machlup functionals of Gaussian measures on function spaces, which allows for Brownian motion with drift, fractional Brownian motion, Ornstein-Uhlenbeck processes and non-parametric state means under a choice of Cameron-Martin norm. The Baum-Welch and Viterbi algorithms are implemented in C. Methods are described in Kashlak, Loliencar and Heo (2023) <https://jmlr.org/papers/v24/22-0685.html>.

Version: 0.1.0
Depends: R (≥ 3.5.0)
Imports: stats, graphics, grDevices
Suggests: knitr, rmarkdown, testthat (≥ 3.0.0)
Published: 2026-09-24
DOI: 10.32614/CRAN.package.funHMM (may not be active yet)
Author: Adam B Kashlak [aut, cre]
Maintainer: Adam B Kashlak <kashlak at ualberta.ca>
License: GPL (≥ 3)
NeedsCompilation: yes
Citation: funHMM citation info
Materials: README, NEWS
CRAN checks: funHMM results

Documentation:

Reference manual: funHMM.html , funHMM.pdf
Vignettes: Hidden Markov models for functional data with funHMM (source, R code)

Downloads:

Package source: funHMM_0.1.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): funHMM_0.1.0.tgz, r-oldrel (arm64): funHMM_0.1.0.tgz, r-release (x86_64): funHMM_0.1.0.tgz, r-oldrel (x86_64): funHMM_0.1.0.tgz

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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