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Simple, Consistent Wrappers for Common String Operations

Simple Data Frames

ANSI Control Sequence Aware String Functions

Render Markdown with the C Library 'Sundown'

Miscellaneous Functions to Support Packages Maintained by 'Yihui Xie'

A SQLite database interface definition for communication between R and SQLite databases.

A database interface (DBI) definition for communication between R and relational database management systems.

A Simple and Robust JSON Parser and Generator for R

Functions to handle basic input output, these functions always read and write UTF-8 (8-bit Unicode Transformation Format) files and provide more explicit control over line endings.

Classes with Reference Semantics

Execute and Control System Processes

Build friendly R packages that praise their users if they have done something good, or they just need it to feel better.

Manage the Life Cycle of your Package Functions

Manage the Life Cycle of your Package Functions

Create Cryptographic Hash Digest of R Objects

Colored terminal output on terminals that support 'ANSI' color and highlight codes.

A unit testing system designed to be fun, flexible, and easy to set up.

Provides two convenience functions assert() and test_pkg() to facilitate testing R packages.