library(knitr) knitr::opts_chunk$set( fig.align = "center", fig.height = 5.5, fig.width = 6, warning = FALSE, collapse = TRUE, dev.args = list(pointsize = 10), out.width = "90%", par = TRUE ) knit_hooks$set(par = function(before, options, envir) { if (before && options$fig.show != "none") par(family = "sans", mar = c(4.1,4.1,1.1,1.1), mgp = c(3,1,0), tcl = -0.5) })
library(mixHMM)
mixHMM is a R package for segmentation. It provides functions for parameter estimation via the EM algorithm. This document gives a quick tour of mixHMM (version r packageVersion("mixHMM")
) functionalities. It was written in R Markdown, using the knitr package for production.
See help(package="mixHMM")
for further details and references provided by citation("mixHMM")
.
data("toydataset") Y <- t(toydataset[,2:ncol(toydataset)])
K <- 3 # Number of clusters R <- 3 # Number of regimes (HMM states) variance_type <- "heteroskedastic" # "heteroskedastic" or "homoskedastic" model
ordered_states <- TRUE n_tries <- 1 max_iter <- 1000 init_kmeans <- TRUE threshold <- 1e-6 verbose <- TRUE
mixhmm <- emMixHMM(Y = Y, K, R, variance_type, ordered_states, init_kmeans, n_tries, max_iter, threshold, verbose)
mixhmm$summary()
mixhmm$plot()
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