Learn R Programming
rbvs (version 1.0.2)

top.ranked.sets: Find k-top-ranked sets

Description

Finds k-top-ranked sets defined in Baranowski and Fryzlewicz (2015). This routine is used inside rbvs; it typically will be not called directly by the user.

Usage

top.ranked.sets(rankings, k.max, min.max.freq = 1, active = NULL)

Arguments

rankings
Matrix with rankings in each column.
k.max
Positive integer.
min.max.freq
Maximum frequency.
active
A vector with previously found active variables.

Value

List containing the following fields.
frequencies
Frequencies corresponding to the most frequent subsests at the top of the rankings.
subsets
The moost frequent subsets.

Details

Uses Portable qsort_r / qsort_s library ( Turner (2013)).

References

R. Baranowski, P. Fryzlewicz (2015), Ranking-Based Variable Selection, in submission (http://personal.lse.ac.uk/baranows/rbvs/rbvs.pdf)). I. Turner (2013), Portable qsort_r / qsort_s, GitHub repository (https://github.com/noporpoise/sort_r).