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Description

Comparing Sequences with Non-Uniform Time Intervals.

The SAWNUTI algorithm performs sequence comparison for finite sequences of discrete events with non-uniform time intervals. Further description of the algorithm can be found in the paper: A. Murph, A. Flynt, B. R. King (2021). Comparing finite sequences of discrete events with non-uniform time intervals, Sequential Analysis, 40(3), 291-313. <doi:10.1080/07474946.2021.1940491>.

sawnuti

An algorithm for the comparison of two sequences in time. This package implements the methods introduced in Murph et al. 2021.

This repository is organized as a stand-alone R package. For questions, issues, or clarifications please reach out to Murph: [email protected]. Feel free to email any applications; we'd be happy to highlight them here.

Installation

You can install the latest version from CRAN using:

install.packages( "sawnuti" )
require( "sawnuti" )

Examples

matchFunction = function(a,b){ifelse(a==b, 1, -1)}

sawnuti(string1="a b c", string2="d b c", times1="1 2 3",times2="3 2 1", alpha = 1, 
        match_function = matchFunction, gap_penalty = 1)
# $ScoreingMatrix
#   [,1] [,2] [,3] [,4]
# [1,]    0   -3   -5   -6
# [2,]   -3   -1   -4   -5
# [3,]   -1   -1    0   -2
# [4,]   -4   -4   -3   -1
#
# $AlignmentScore
# [1] "-1"
#
# $Alignment
#   [,1] [,2] [,3]
# [1,] "d"  "b"  "c"
# [2,] "|"  "|"  "|"
# [3,] "a"  "b"  "c"

Packages Required

None.

Citation

A. Murph, A. Flynt, B. R. King (2021). Comparing finite sequences of discrete events with non-uniform time intervals, Sequential Analysis, 40(3), 291-313.

Metadata

Version

0.1.1

License

Unknown

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