Epigenomic R-based analysis with hidden Markov models


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Documentation for package ‘epigraHMM’ version 1.16.0

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addOffsets Add offsets to epigraHMMDataSet
callPatterns Extract posterior probabilities (or combinatorial patterns) associated with differential regions
callPeaks Summarize peak calls and optionally create a BED 6+3 file in broadPeak format for visualization
cleanCounts Remove effects from covariates of interest
controlEM Control parameters for the EM algorithm from epigraHMM
epigraHMM Perform peak calling of epigenomic data sets
epigraHMMDataSetFromBam Create a epigraHMMDataSet from a set of BAM files
epigraHMMDataSetFromMatrix Create a epigraHMMDataSet from matrices of counts
estimateTransitionProb Estimate transition probability from a sequence of integers
expStep E-step of HMM (forward-backward probability + posterior probability calculation)
helas3 ENCODE ChIP-seq broad data from Helas3 cell line
info Get information about peak calling results
initializer Initializer of epigraHMM
maxStepProb M-step (maximization w.r.t. initial and transition probabilities)
normalizeCounts Normalize counts
plotCounts Create a plot with the results from epigraHMM
plotPatterns Create a plot of differerential patterns posterior probabilities from epigraHMM
segmentGenome Segmentation of a genome in non-overlapping windows
simulateMarkovChain Simulates a Markov Chain of length 'n' given a matrix of transition probabilities P