Lionel Henry

Lionel Henry

18 packages on CRAN

1 packages on GitHub

rlang

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A toolbox for working with base types, core R features like the condition system, and core 'Tidyverse' features like tidy evaluation.

tidyselect

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A backend for the selecting functions of the 'tidyverse'. It makes it easy to implement select-like functions in your own packages in a way that is consistent with other 'tidyverse' interfaces for selection.

purrr

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A complete and consistent functional programming toolkit for R.

svglite

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A graphics device for R that produces 'Scalable Vector Graphics'. 'svglite' is a fork of the older 'RSvgDevice' package.

fontquiver

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Provides a set of fonts with permissive licences. This is useful when you want to avoid system fonts to make sure your outputs are reproducible.

dtplyr

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This implements the data table back-end for 'dplyr' so that you can seamlessly use data table and 'dplyr' together.

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A placeholder for the Liberation fontset intended for the `fontquiver` package. This fontset covers the 12 combinations of families (sans, serif, mono) and faces (plain, bold, italic, bold italic) supported in R graphics devices.

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Provides fonts licensed under the 'Bitstream Vera Fonts' license for the 'fontquiver' package.

ggstance

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A 'ggplot2' extension that provides flipped components: horizontal versions of 'Stats' and 'Geoms', and vertical versions of 'Positions'.

vdiffr

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An extension to the 'testthat' package that makes it easy to add graphical unit tests. It provides a Shiny application to manage the test cases.

purrrlyr

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Some functions at the intersection of 'dplyr' and 'purrr' that formerly lived in 'purrr'.

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Unlike other tools that dynamically link to the 'Cairo' stack, 'freetypeharfbuzz' is statically linked to specific versions of the 'FreeType' and 'harfbuzz' libraries (2.9 and 1.7.6 respectively). This ensures deterministic computation of text box extents for situations where reproducible results are crucial (for instance unit tests of graphics).

carrier

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Sending functions to remote processes can be wasteful of resources because they carry their environments with them. With the carrier package, it is easy to create functions that are isolated from their environment. These isolated functions, also called crates, print at the console with their total size and can be easily tested locally before being sent to a remote.

ggplot2

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A system for 'declaratively' creating graphics, based on "The Grammar of Graphics". You provide the data, tell 'ggplot2' how to map variables to aesthetics, what graphical primitives to use, and it takes care of the details.

dplyr

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A fast, consistent tool for working with data frame like objects, both in memory and out of memory.

tidyr

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An evolution of 'reshape2'. It's designed specifically for data tidying (not general reshaping or aggregating) and works well with 'dplyr' data pipelines.

gdtools

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Useful tools for writing vector graphics devices.

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Provides a progress bar similar to 'dplyr' that can write progress out to a variety of locations, including stdout(), stderr(), or from file(). Useful when using 'knitr' or 'rmarkdown', and you still want to see progress of calculations in the terminal.

friendlyeval

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Provides an alternative auto-complete friendly interface to rlang that is more closely aligned with the task domain of a user 'programming with dplyr'. Facility is provided to replace friendlyeval functions with their rlang equivalents after protyping a solution.