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Overview

themetagenomics provides functions to explore topics generated from 16S rRNA sequencing information on both the abundance and functional levels. It also provides an R implementation of PICRUSt and wraps Tax4fun, giving users a choice for their functional prediction strategy.

Relevant Software and Literature

Stephen Woloszynek, Joshua Chang Mell, Zhengqiao Zhao, Gideon Simpson, Michael P. O’Connor, and Gail Rosen. Exploring thematic structure and predicted functionality of 16S rRNA amplicon data. 2019. PLoS ONE 14(12); doi: https://doi.org/10.1371/journal.pone.0219235

Margaret E. Roberts, Brandon M. Stewart, and Dustin Tingley (2017). stm: R Package for Structural Topic Models, 2016.

Morgan Langille et al. Predictive functional profiling of microbial communities using 16S rRNA marker gene sequences. PICRUSt 1.1.1

Kathrin P. Aßhauer, Bernd Wemheuer, Rolf Daniel, and Peter Meinicke. Tax4Fun: predicting functional profiles from metagenomic 16S rRNA data

Stan Development Team. 2016. RStan: the R interface to Stan. R package version 2.14.1., 2017.

Installation

# To install the release version of Themetagenomics:
install.packages('themetagenomics')

# To install the developmental version via Github:
# install.packages('devtools')
devtools::install_github('EESI/themetagenomics',build_vignettes=TRUE)

Development

For future feature requests or suggestions, request an issue:

https://github.com/EESI/themetagenomics/issues

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Version

Install

install.packages('themetagenomics')

Monthly Downloads

45

Version

1.0.2

License

MIT + file LICENSE

Issues

Pull Requests

Stars

Forks

Maintainer

Stephen Woloszynek

Last Published

April 30th, 2020

Functions in themetagenomics (1.0.2)

extract_stan_summary

Backend to extract summary from rstan object
vis

Launch in interactive visualize to explore topic effects
t4f

Predict taxonomic functional content via tax4fun
resume

Resume HMC using a previous fit
s

picrust

Predict OTU functional content via PICRUSt
stm_wrapper

Wrapper for stm
prepare_data

Prepare themetadata object from data for topic modeling pipeline
find_topics

Perform topic estimation on a themetadata object
picrust_otu

Predict OTU functional potential via PICRUSt
predict.topics

Predict topic functional content
est.topics

Estimate topic effects
est

Estimate topic or function effects
est.functions

Estimate predicted function-topic effects
cnn

Normalize an OTU table by 16S rRNA copy number
download_ref

Download functional prediction reference tables
est_topics_backend

extract

Extract summary statistics
DAVID

Human longitudinal microbiome data
GEVERS

Inflammatory bowel disease gut microbiome data