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An R package for metabarcoding research planning and analysis

Metabarcoding is revolutionizing microbial ecology and presenting new challenges:

Metacoder is an R package that attempts to addresses these issues:


Documentation is available at

Download the current version

Stable releases are available on CRAN and can be installed in the standard way:


The most recent version can be installed from Github:



The function that runs in silico PCR requires primersearch from the EMBOSS tool kit to be installed. This is not an R package, so it is not automatically installed. Type ?primersearch after installing and loading MetcodeR for installation instructions.


If you use metcoder in a publication, please cite our article in PLOS Computational Biology:

Foster ZSL, Sharpton TJ, Gr├╝nwald NJ (2017) Metacoder: An R package for visualization and manipulation of community taxonomic diversity data. PLOS Computational Biology 13(2): e1005404.


This work is subject to the MIT License.