metabomxtr (version 1.6.0)

A package to run mixture models for truncated metabolomics data with normal or lognormal distributions

Description

The functions in this package return optimized parameter estimates and log likelihoods for mixture models of truncated data with normal or lognormal distributions.

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Version

1.6.0

License

GPL-2

Maintainer

Michael Nodzenski

Last Published

February 15th, 2017

Functions in metabomxtr (1.6.0)

mxtrmodLRT

A function to run likelihood ratio tests on full vs. reduced mixture models

metabdata

A sample data set of truncated metabolomics data

zdesign-methods

~~ Methods for Function zdesign ~~

euMetabData

A sample data set of truncated metabolomics data.

metabomxtr-package

A package to run mixture models on truncated normal or lognormal data

xdesign-methods

~~ Methods for Function xdesign ~~

mxtrmodstart

A function to generate starting parameter estimates for the optimization of mixture model parameters

mxtrmodLL

A function to return the negative log-likelihood of mixture models of truncated, normal or lognormal data

mxtrmod

A function to return optimized parameter estimates and the negative log-likelihood of mixture models for truncated normal or lognormal data

euMetabCData

A sample data set of truncated metabolomics data.

mixnorm

A function to perform per-metabolite batch normalization using a mixture model with batch-specific thresholds and run order correction if desired.

yvals-methods

~~ Methods for Function yvals ~~