Variable Penalty Dynamic Time Warping

Variable Penalty Dynamic Time Warping (VPdtw) for aligning chromatographic signals. With an appropriate penalty this method performs good alignment of chromatographic data without deforming the peaks (Clifford, D., Stone, G., Montoliu, I., Rezzi S., Martin F., Guy P., Bruce S., and Kochhar S.(2009) ; Clifford, D. and Stone, G. (2012) ).

Variable Penalty Dynamic Time Warping

Variable Penalty Dynamic Time Warping for aligning GC-MS chromatograms to a master signal and more. With the appropriate penalty this method performs good alignment without altering the shape of peaks in chromatography data.

Installation

Please install the package in R directly using the commands:

install.packages("devtools")
devtools::install_github("david-clifford/VPdtw")

References

Clifford, D., Stone, G., Montoliu, I., Rezzi, S., Martin, F. P., Guy, P., ... & Kochhar, S. (2009). Alignment using variable penalty dynamic time warping. Analytical chemistry, 81(3), 1000-1007. doi:http://dx.doi.org/10.1021/ac802041e

Clifford, D., & Stone, G. (2012). Variable Penalty Dynamic Time Warping Code for Aligning Mass Spectrometry Chromatograms in R. Journal of Statistical Software, 47(8), 1 - 17. doi:http://dx.doi.org/10.18637/jss.v047.i08

This package was created by David Clifford and Glenn Stone, but is now maintained by Ethan Bass.