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Bioinformatics with Python Cookbook by Tiago Antao

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Interfacing with R via rpy2

If there is some functionality that you need and cannot find it in a Python library, your first port of call is to check whether it's implemented in R. For statistical methods, R is still the most complete framework; moreover, some bioinformatics functionalities are also only available in R, most probably offered as a package belonging to the Bioconductor project.

The rpy2 provides provides a declarative interface from Python to R. As you will see, you will be able to write very elegant Python code to perform the interfacing process.

In order to show the interface (and try out one of the most common R data structures, the data frame, and one of the most popular R libraries: ggplot2), we will download its metadata from ...

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