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data.tree:General Purpose Hierarchical Data Structure
Create tree structures from hierarchical data, and traverse the tree in various orders. Aggregate, cumulate, print, plot, convert to and from data.frame and more. Useful for decision trees, machine learning, finance, conversion from and to JSON, and many other applications.
Maintained by Christoph Glur. Last updated 6 months ago.
209 stars 12.84 score 1.1k scripts 88 dependentsrpahl
container:Extending Base 'R' Lists
Extends the functionality of base 'R' lists and provides specialized data structures 'deque', 'set', 'dict', and 'dict.table', the latter to extend the 'data.table' package.
Maintained by Roman Pahl. Last updated 3 months ago.
containerdata-structuresdequedictsets
16 stars 7.13 score 140 scriptsr-cas
Ryacas0:Legacy 'Ryacas' (Interface to 'Yacas' Computer Algebra System)
A legacy version of 'Ryacas', an interface to the 'yacas' computer algebra system (<http://www.yacas.org/>).
Maintained by Mikkel Meyer Andersen. Last updated 2 years ago.
2 stars 7.11 score 36 scripts 6 dependentsmalaga-fca-group
fcaR:Formal Concept Analysis
Provides tools to perform fuzzy formal concept analysis, presented in Wille (1982) <doi:10.1007/978-3-642-01815-2_23> and in Ganter and Obiedkov (2016) <doi:10.1007/978-3-662-49291-8>. It provides functions to load and save a formal context, extract its concept lattice and implications. In addition, one can use the implications to compute semantic closures of fuzzy sets and, thus, build recommendation systems.
Maintained by Domingo Lopez Rodriguez. Last updated 2 years ago.
6 stars 6.02 score 70 scriptsgams-dev
gamstransfer:A Data Interface Between 'GAMS' and R
Read, analyze, modify, and write 'GAMS' (General Algebraic Modeling System) data. The main focus of 'gamstransfer' is the highly efficient transfer of data with 'GAMS' <https://www.gams.com/>, while keeping these operations as simple as possible for the user. The transfer of data usually takes place via an intermediate GDX (GAMS Data Exchange) file. Additionally, 'gamstransfer' provides utility functions to get an overview of 'GAMS' data and to check its validity.
Maintained by Atharv Bhosekar. Last updated 6 months ago.
2 stars 5.96 score 26 scripts 13 dependentsacharaakshit
rminizinc:R Interface to 'MiniZinc'
Constraint optimization, or constraint programming, is the name given to identifying feasible solutions out of a very large set of candidates, where the problem can be modeled in terms of arbitrary constraints. 'MiniZinc' is a free and open-source constraint modeling language. Constraint satisfaction and discrete optimization problems can be formulated in a high-level modeling language. Models are compiled into an intermediate representation that is understood by a wide range of solvers. 'MiniZinc' itself provides several solvers, for instance 'GeCode'. R users can use the package to solve constraint programming problems without using 'MiniZinc' directly, modify existing 'MiniZinc' models and also create their own models.
Maintained by Akshit Achara. Last updated 3 years ago.
13 stars 4.81 score 5 scripts