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SFS  

Similarity-First Search Seriation Algorithm
View on CRAN: Click here


Download and install SFS package within the R console
Install from CRAN:
install.packages("SFS")

Install from Github:
library("remotes")
install_github("cran/SFS")

Install by package version:
library("remotes")
install_version("SFS", "0.1.4")



Attach the package and use:
library("SFS")
Maintained by
Utz-Uwe Haus
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2017-06-20
Latest Update: 2019-05-07
Description:
An implementation of the Similarity-First Search algorithm (SFS), a combinatorial algorithm which can be used to solve the seriation problem and to recognize some structured weighted graphs. The SFS algorithm represents a generalization to weighted graphs of the graph search algorithm Lexicographic Breadth-First Search (Lex-BFS), a variant of Breadth-First Search. The SFS algorithm reduces to Lex-BFS when applied to binary matrices (or, equivalently, unweighted graphs). Hence this library can be also considered for Lex-BFS applications such as recognition of graph classes like chordal or unit interval graphs. In fact, the SFS seriation algorithm implemented in this package is a multisweep algorithm, which consists in repeating a finite number of SFS iterations (at most n sweeps for a matrix of size n). If the data matrix has a Robinsonian structure, then the ranking returned by the multistep SFS algorithm is a Robinson ordering of the input matrix. Otherwise the algorithm can be used as a heuristic to return a ranking partially satisfying the Robinson property.
How to cite:
Utz-Uwe Haus (2017). SFS: Similarity-First Search Seriation Algorithm. R package version 0.1.4, https://cran.r-project.org/web/packages/SFS. Accessed 18 Sep. 2026.
Previous versions and publish date:
(2026-07-09 08:24), 0.1.1 (2017-06-21 14:59), 0.1.2 (2017-07-10 14:16), 0.1.4 (2019-05-07 09:30), 0.1 (2017-06-20 17:52)
Other packages that cited SFS R package
View SFS citation profile
Other R packages that SFS depends, imports, suggests or enhances
Complete documentation for SFS
Functions, R codes and Examples using the SFS R package
Some associated functions: SFS_read . SFS_sfs . 
Some associated R codes: RcppExports.R . SFS.R .  Full SFS package functions and examples
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