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hdMTD (version 0.1.1)

Inference for High-Dimensional Mixture Transition Distribution Models

Description

Estimates parameters in Mixture Transition Distribution (MTD) models, a class of high-order Markov chains. The set of relevant pasts (lags) is selected using either the Bayesian Information Criterion or the Forward Stepwise and Cut algorithms. Other model parameters (e.g. transition probabilities and oscillations) can be estimated via maximum likelihood estimation or the Expectation-Maximization algorithm. Additionally, 'hdMTD' includes a perfect sampling algorithm that generates samples of an MTD model from its invariant distribution. For theory, see Ost & Takahashi (2023) .

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install.packages('hdMTD')

Monthly Downloads

425

Version

0.1.1

License

GPL-3

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Maintainer

Maiara Gripp

Last Published

August 27th, 2025

Functions in hdMTD (0.1.1)

hdMTD_BIC

The Bayesian Information Criterion (BIC) method for inference in MTD models
MTDest

EM estimation of MTD parameters
tempdata

Maximum temperatures in the city of Brasília, Brazil.
oscillation

Oscillations of an MTD Markov chain
testChains

MTD samples for tests
hdMTD_FSC

Forward Stepwise and Cut method for inference in MTD models
perfectSample

Perfectly samples an MTD Markov chain
probs

Estimated transition probabilities
raindata

Rain data set for the city of Canberra, Australia
sleepscoring

Data with sleeping patterns
hdMTD

Inference in MTD models
MTDmodel

Creates a Mixture Transition Distribution (MTD) Model
checkSample

Checks a sample
hdMTD_CUT

The CUT method for inference in MTD models
hdMTD_FS

The Forward Stepwise (FS) method for inference in MTD models
countsTab

Counts sequences of length d+1 in a sample
dTV_sample

The total variation distance between distributions
freqTab

A tibble containing sample sequence frequencies and estimated probabilities