# CRAN Components

## Search Components

Ecosystem | Component | Description | |
---|---|---|---|

CRAN | httptest | httptest: A Test Environment for HTTP Requests Testing and documenting code that communicates with remote servers can be painful. | |

CRAN | lazyeval | lazyeval: Lazy (Non-Standard) Evaluation An alternative approach to non-standard evaluation using formulas. | |

CRAN | rex | rex: Friendly Regular Expressions A friendly interface for the construction of regular expressions. | |

CRAN | covr | covr: Test Coverage for Packages Track and report code coverage for your package and (optionally) upload the results to a coverage service like 'Codecov' <http://codecov. | |

CRAN | abind | abind: Combine Multidimensional Arrays Combine multidimensional arrays into a single array. | |

CRAN | acepack | acepack: ACE and AVAS for Selecting Multiple Regression Transformations Two nonparametric methods for multiple regression transform selection are provided. | |

CRAN | foreign | foreign: Read Data Stored by 'Minitab', 'S', 'SAS', 'SPSS', 'Stata', 'Systat', 'Weka', 'dBase', . | |

CRAN | nlme | nlme: Linear and Nonlinear Mixed Effects Models Fit and compare Gaussian linear and nonlinear mixed-effects models. | |

CRAN | survival | survival: Survival Analysis Contains the core survival analysis routines, including definition of Surv objects, Kaplan-Meier and Aalen-Johansen (multi-state) curves, Cox models, and parametric accelerated failure time models. | |

CRAN | MASS | "MASS: Support Functions and Datasets for Venables and Ripley's MASS Functions and datasets to support Venables and Ripley, ""Modern Applied Statistics with S"" (4th edition, 2002)." | |

CRAN | class | class: Functions for Classification Various functions for classification, including k-nearest neighbour, Learning Vector Quantization and Self-Organizing Maps. | |

CRAN | mgcv | mgcv: Mixed GAM Computation Vehicle with Automatic Smoothness Estimation Generalized additive (mixed) models, some of their extensions and other generalized ridge regression with multiple smoothing parameter estimation by (Restricted) Marginal Likelihood, Generalized Cross Validation and similar. | |

CRAN | KernSmooth | KernSmooth: Functions for Kernel Smoothing Supporting Wand & Jones (1995) Functions for kernel smoothing (and density estimation) corresponding to the book: Wand, M. | |

CRAN | boot | "boot: Bootstrap Functions (Originally by Angelo Canty for S) Functions and datasets for bootstrapping from the book ""Bootstrap Methods and Their Application"" by A." | |

CRAN | nnet | nnet: Feed-Forward Neural Networks and Multinomial Log-Linear Models Software for feed-forward neural networks with a single hidden layer, and for multinomial log-linear models. | |

CRAN | codetools | codetools: Code Analysis Tools for R Code analysis tools for R. | |

CRAN | spatial | spatial: Functions for Kriging and Point Pattern Analysis Functions for kriging and point pattern analysis. | |

CRAN | lattice | lattice: Trellis Graphics for R A powerful and elegant high-level data visualization system inspired by Trellis graphics, with an emphasis on multivariate data. | |

CRAN | rpart | rpart: Recursive Partitioning and Regression Trees Recursive partitioning for classification, regression and survival trees. | |

CRAN | Matrix | Matrix: Sparse and Dense Matrix Classes and Methods A rich hierarchy of matrix classes, including triangular, symmetric, and diagonal matrices, both dense and sparse and with pattern, logical and numeric entries. | |

CRAN | cluster | "cluster: ""Finding Groups in Data"": Cluster Analysis Extended Rousseeuw et al." | |

CRAN | later | later: Utilities for Delaying Function Execution Executes arbitrary R or C functions some time after the current time, after the R execution stack has emptied. | |

CRAN | Rcpp | Rcpp: Seamless R and C++ Integration The 'Rcpp' package provides R functions as well as C++ classes which offer a seamless integration of R and C++. | |

CRAN | promises | promises: Abstractions for Promise-Based Asynchronous Programming Provides fundamental abstractions for doing asynchronous programming in R using promises. | |

CRAN | commonmark | commonmark: High Performance CommonMark and Github Markdown Rendering in R The CommonMark specification defines a rationalized version of markdown syntax. | |

CRAN | BH | BH: Boost C++ Header Files Boost provides free peer-reviewed portable C++ source libraries. | |

CRAN | httpuv | httpuv: HTTP and WebSocket Server Library Provides low-level socket and protocol support for handling HTTP and WebSocket requests directly from within R. | |

CRAN | htmlwidgets | htmlwidgets: HTML Widgets for R A framework for creating HTML widgets that render in various contexts including the R console, 'R Markdown' documents, and 'Shiny' web applications. | |

CRAN | data.table | data.table: Extension of 'data. | |

CRAN | widgetframe | widgetframe: 'Htmlwidgets' in Responsive 'iframes' Provides two functions 'frameableWidget()', and 'frameWidget()'. | |

CRAN | shiny | shiny: Web Application Framework for R Makes it incredibly easy to build interactive web applications with R. | |

CRAN | xtable | xtable: Export Tables to LaTeX or HTML Coerce data to LaTeX and HTML tables. | |

CRAN | sourcetools | sourcetools: Tools for Reading, Tokenizing and Parsing R Code Tools for the reading and tokenization of R code. | |

CRAN | crosstalk | crosstalk: Inter-Widget Interactivity for HTML Widgets Provides building blocks for allowing HTML widgets to communicate with each other, with Shiny or without (i. | |

CRAN | DT | DT: A Wrapper of the JavaScript Library 'DataTables' Data objects in R can be rendered as HTML tables using the JavaScript library 'DataTables' (typically via R Markdown or Shiny). | |

CRAN | miniUI | miniUI: Shiny UI Widgets for Small Screens Provides UI widget and layout functions for writing Shiny apps that work well on small screens. | |

CRAN | servr | servr: A Simple HTTP Server to Serve Static Files or Dynamic Documents Start an HTTP server in R to serve static files, or dynamic documents that can be converted to HTML files (e. | |

CRAN | remotes | remotes: R Package Installation from Remote Repositories, Including 'GitHub' Download and install R packages stored in 'GitHub', 'BitBucket', or plain 'subversion' or 'git' repositories. | |

CRAN | bookdown | bookdown: Authoring Books and Technical Documents with R Markdown Output formats and utilities for authoring books and technical documents with R Markdown. | |

CRAN | xml2 | xml2: Parse XML Work with XML files using a simple, consistent interface. | |

CRAN | DBI | DBI: R Database Interface A database interface definition for communication between R and relational database management systems. | |

CRAN | plyr | plyr: Tools for Splitting, Applying and Combining Data A set of tools that solves a common set of problems: you need to break a big problem down into manageable pieces, operate on each piece and then put all the pieces back together. | |

CRAN | fs | fs: Cross-Platform File System Operations Based on 'libuv' A cross-platform interface to file system operations, built on top of the 'libuv' C library. | |

CRAN | clipr | clipr: Read and Write from the System Clipboard Simple utility functions to read from and write to the Windows, OS X, and X11 clipboards. | |

CRAN | ggplot2 | "ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics A system for 'declaratively' creating graphics, based on ""The Grammar of Graphics""." | |

CRAN | git2r | git2r: Provides Access to Git Repositories Interface to the 'libgit2' library, which is a pure C implementation of the 'Git' core methods. | |

CRAN | gtable | "gtable: Arrange 'Grobs' in Tables Tools to make it easier to work with ""tables"" of 'grobs'." | |

CRAN | hms | hms: Pretty Time of Day Implements an S3 class for storing and formatting time-of-day values, based on the 'difftime' class. | |

CRAN | farver | farver: Vectorised Colour Conversion and Comparison The encoding of colour can be handled in many different ways, using different colour spaces. | |

CRAN | scales | scales: Scale Functions for Visualization Graphical scales map data to aesthetics, and provide methods for automatically determining breaks and labels for axes and legends. | |