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rPref (version 0.5)

Database Preferences and Skyline Computation

Description

Routines to select and visualize the maxima for a given strict partial order. This especially includes the computation of the Pareto frontier, also known as (Top-k) Skyline operator, and some generalizations (database preferences).

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Version

Install

install.packages('rPref')

Monthly Downloads

368

Version

0.5

License

GPL (>= 2)

Maintainer

Patrick Roocks

Last Published

March 20th, 2015

Functions in rPref (0.5)

show.query

Show preference in usual Query Languages
rPref

Summary of the rPref package
plot_front

Pareto Front Plot
complex_pref

Complex preferences
psel

Preference selection
get_btg

Better-Than-Graph
pred_succ

Predecessor and successor functions
base_pref_macros

Useful base preference macros
show.pref

Partial evaluation and string output of preferences
base_pref

Base preferences
get_hasse_diag

Adjacency list of Hasse diagramm