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README.md
# tadar <!-- badges: start --> [![check-bioc](https://github.com/baerlachlan/tadar/actions/workflows/check-bioc.yml/badge.svg)](https://github.com/baerlachlan/tadar/actions/workflows/check-bioc.yml) [![Codecov test coverage](https://codecov.io/gh/baerlachlan/tadar/branch/gh-actions/graph/badge.svg)](https://app.codecov.io/gh/baerlachlan/tadar?branch=devel) [![Repo Status](https://img.shields.io/badge/repository%20status-active-brightgreen)](https://shields.io/) <!-- badges: end --> `tadar` is a package designed to enable Transcriptome Analysis of Differential Allelic Representation (DAR). DAR is parsimoniously defined as an unequal distribution of polymorphic loci between experimental sample groups; a situation likely to be encountered in RNA-seq experiments involving organisms that lack isogenicity. When unequally-represented polymorphic loci are also expression quantitative trait loci (eQTLs), differences in gene expression between groups can be incorrectly interpreted as a consequence of the experimental condition. DAR analysis is therefore recommended as a complementary technique alongside Differential Expression analysis. DAR analysis results in an easy-to-interpret value between 0 and 1 for each feature (e.g. gene) of interest, where 0 represents identical allelic representation and 1 represents complete diversity. This metric can be used to identify features prone to false-positive calls in Differential Expression analysis, and can be leveraged with statistical methods to alleviate the impact of such artefacts on RNA-seq data. An example of the application of DAR analysis can be found in our [manuscript](https://www.biorxiv.org/content/10.1101/2023.03.02.530865v3). ## Installation `BiocManager` is recommended for the installation of this package. ```r install.packages("BiocManager") BiocManager::install("tadar") ``` The development version of this package can also be installed from GitHub. ```r BiocManager::install("baerlachlan/tadar") ```