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Computing and Visualizing Dynamic Time Warping Alignments in R: The dtw Package

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  • Giorgino, Toni

Abstract

Dynamic time warping is a popular technique for comparing time series, providing both a distance measure that is insensitive to local compression and stretches and the warping which optimally deforms one of the two input series onto the other. A variety of algorithms and constraints have been discussed in the literature. The dtw package provides an unification of them; it allows R users to compute time series alignments mixing freely a variety of continuity constraints, restriction windows, endpoints, local distance definitions, and so on. The package also provides functions for visualizing alignments and constraints using several classic diagram types.

Suggested Citation

  • Giorgino, Toni, 2009. "Computing and Visualizing Dynamic Time Warping Alignments in R: The dtw Package," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 31(i07).
    • Handle: RePEc:jss:jstsof:v:031:i07
    DOI: http://hdl.handle.net/10.18637/jss.v031.i07
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