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Merge pull request #497 from GavinHuttley/develop
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DOC: added some svg animations, linked to in README
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GavinHuttley committed Jan 16, 2020
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`cogent3` is unique in providing numerous [non-stationary Markov models](http://www.ncbi.nlm.nih.gov/pubmed/25503772) for modelling sequence evolution, [including codon models](https://www.ncbi.nlm.nih.gov/pubmed/28175284). `cogent3` also includes an extensive collection of time-reversible models (again including [novel codon models](https://www.ncbi.nlm.nih.gov/pubmed/19815689)). We have done more than just invent these new methods, we have [established the most robust algorithms](https://www.ncbi.nlm.nih.gov/pubmed/19099591) for their implementation and their [suitability for real data](https://www.ncbi.nlm.nih.gov/pubmed/23935949). Additionally, there are novel signal processing methods focussed on statistical estimation of [integer period signals](https://www.ncbi.nlm.nih.gov/pubmed/21527008).

![Non-stationary models are better](doc/_static/svg/demo_fit_ns.svg)

### Anyone who wants to undertake exploratory genomic data analysis

Beyond our novel methods, `cogent3` provides an extensive suite of capabilities for manipulating and analysing sequence data. For instance, the ability to read standard biological data formats, manipulate sequences by their annotations, to perform multiple sequence alignment using any of our substitution models, phylogenetic reconstruction and tree manipulation, manipulation of tabular data, visualisation of phylogenies and much more.

![Slicing an alignment by a feature](doc/_static/svg/annotate_domain.svg)

### Anyone looking for a functional programming style approach to genomic data analysis

Our `cogent3.app` module provides a very different approach to using the library capabilities. Notably, a functional programming style interface lowers the barrier to entry for using `cogent3`'s advanced capabilities. It also supports building pipelines suitable for large-scale analysis. Individuals comfortable with R should find this interface pretty easy to use.
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