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saccadr: Extract Saccades via an Ensemble of Methods Approach

A modular and extendable approach to extract (micro)saccades from gaze samples via an ensemble of methods. Although there is an agreement about a general definition of a saccade, the more specific details are harder to agree upon. Therefore, there are numerous algorithms that extract saccades based on various heuristics, which differ in the assumptions about velocity, acceleration, etc. The package uses three methods (Engbert and Kliegl (2003) <doi:10.1016/S0042-6989(03)00084-1>, Otero-Millan et al. (2014)<doi:10.1167/14.2.18>, and Nyström and Holmqvist (2010) <doi:10.3758/BRM.42.1.188>) to label individual samples and then applies a majority vote approach to identify saccades. The package includes three methods but can be extended via custom functions. It also uses a modular approach to compute velocity and acceleration from noisy samples. Finally, you can obtain methods votes per gaze sample instead of saccades.

Version: 0.1.3
Depends: R (≥ 4.1.0), dplyr, rlang, cluster, signal, tidyr
Imports: magrittr, Rcpp (≥ 1.0.8)
LinkingTo: Rcpp
Suggests: rmarkdown, knitr, ggplot2, spelling, testthat (≥ 3.0.0)
Published: 2023-09-06
DOI: 10.32614/CRAN.package.saccadr
Author: Alexander Pastukhov ORCID iD [aut, cre]
Maintainer: Alexander Pastukhov <pastukhov.alexander at gmail.com>
BugReports: https://github.com/alexander-pastukhov/saccadr/issues/
License: GPL (≥ 3)
URL: https://github.com/alexander-pastukhov/saccadr/, https://alexander-pastukhov.github.io/saccadr/
NeedsCompilation: yes
Language: en-US
Materials: README NEWS
CRAN checks: saccadr results

Documentation:

Reference manual: saccadr.pdf
Vignettes: Implemented Methods
Using Custom Methods
Using Sample Votes
Velocity computation

Downloads:

Package source: saccadr_0.1.3.tar.gz
Windows binaries: r-devel: saccadr_0.1.3.zip, r-release: saccadr_0.1.3.zip, r-oldrel: saccadr_0.1.3.zip
macOS binaries: r-release (arm64): saccadr_0.1.3.tgz, r-oldrel (arm64): saccadr_0.1.3.tgz, r-release (x86_64): saccadr_0.1.3.tgz, r-oldrel (x86_64): saccadr_0.1.3.tgz
Old sources: saccadr archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.