Matlab code for using a MultiDimensional scanpath comparison method--'MultiMatch'. Go into the toolbox directory and type "help doComparison" it will tell you about the function which uses the MultiMatch analysis code. If you pass in two sets of fixation data it will output the 5 dimension similarity scores. E.g. "S = doComparison(fix1,fix2)" where fix1 and fix2 are rows of x,y,duration coordinates for fixations. Also note: you will need to install the bioinformatics toolbox.

If you use MultiMatch in published work, please cite one of the relevant papers:

• Jarodzka, H.; Holmqvist, K. & Nyström, M. A vector-based, multidimensional scanpath similarity measure Proceedings of the 2010 Symposium on Eye-Tracking Research & Applications, 2010, 211-218
• Dewhurst, R.; Nyström, M.; Jarodzka, H.; Foulsham, T.; Johansson, R. & Holmqvist, K. It depends on how you look at it: Scanpath comparison in multiple dimensions with MultiMatch, a vector-based approach Behavior Research Methods, Springer, 2012, 1-22
• Foulsham, T., Dewhurst, R., Nyström, M., Jarodzka, H., Johansson, R., Underwood, G. & Holmqvist, K. (2012). Comparing scanpaths during scene encoding and recognition: A multi-dimensional approach. Journal of Eye Movement Research, 5, 1-14.

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