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rPref (version 1.3)

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 (see Börzsönyi, et al. (2001) ), and some generalizations known as database preferences (see Kießling (2002) ).

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Version

Install

install.packages('rPref')

Monthly Downloads

370

Version

1.3

License

GPL (>= 2)

Maintainer

Patrick Roocks

Last Published

February 16th, 2019

Functions in rPref (1.3)

plot_front

Pareto Front Plot
show.pref

Partial Evaluation and String Output of Preferences
show.query

Show Preferences in Database Query Languages
pred_succ

Predecessor and Successor Functions
general_pref

Utility Functions for Preferences
complex_pref

Complex Preferences
base_pref

Base Preferences
get_hasse_diag

Adjacency List of Hasse diagramm
plot_btg

Better-Than-Graphs
base_pref_macros

Useful Base Preference Macros
psel

Preference Selection
rPref

Summary of the rPref Package