Implementation Helper for '[' and '[<-' of Custom Matrix-Like Types

Functions to help implement the extraction / subsetting / indexing function '[' and replacement function '[<-' of custom matrix-like types (based on S3, S4, etc.), modeled as closely to the base matrix class as possible (with tests to prove it).

crochet

crochet is an R package that provides functions to help implement the extraction / subsetting / indexing function [ and replacement function [<- of custom matrix-like types (based on S3, S4, etc.), modeled as closely to the base matrix class as possible (with tests to prove it).

Example

Check out the Example of a Custom Type that Implements 'extract' and 'replace' vignette on the crochet page on CRAN.

Installation

Install the stable version from CRAN:

install.packages("crochet")

Alternatively, install the development version from GitHub:

# install.packages("remotes")
remotes::install_github("agrueneberg/crochet")

Documentation

Further documentation can be found on RDocumentation.

Contributing

• Issue Tracker: https://github.com/agrueneberg/crochet/issues
• Source Code: https://github.com/agrueneberg/crochet