Probabilistic Latent Variable Models for Metabolomic Data


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Documentation for package ‘MetabolAnalyze’ version 1.3.1

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MetabolAnalyze-package Probabilistic latent variable models for metabolomic data.
BrainSpectra NMR spectral data from brain tissue samples.
loadings.jack.plot Plot loadings and their associated confidence intervals.
loadings.plot Plot loadings.
MetabolAnalyze Probabilistic latent variable models for metabolomic data.
mppca.loadings.plot Plot loadings resulting from fitting a MPPCA model.
mppca.metabol Fit a mixture of probabilistic principal components analysis (MPPCA) model to a metabolomic data set via the EM algorithm to perform simultaneous dimension reduction and clustering.
mppca.scores.plot Plot scores from a fitted MPPCA model
ppca.metabol Fit a probabilistic principal components analysis (PPCA) model to a metabolomic data set via the EM algorithm.
ppca.metabol.jack Fit a probabilistic principal components analysis model to a metabolomic data set, and assess uncertainty via the jackknife.
ppca.scores.plot Plot scores from a fitted PPCA model
ppcca.metabol Fit a probabilistic principal components and covariates analysis (PPCCA) model to a metabolomic data set via the EM algorithm.
ppcca.metabol.jack Fit a probabilistic principal components and covariates analysis model to a metabolomic data set, and assess uncertainty via the jackknife.
ppcca.scores.plot Plot scores from a fitted PPCCA model.
UrineSpectra NMR metabolomic spectra from urine samples of 18 mice.