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Tool helping psychologists and other behavioural scientists to analyze mouse movement (and other 2-D trajectory) data. Bundles together several functions computing spatial measures (maximum absolute deviation, area under the curve, sample entropy) or providing a shorthand for often-used procedures.
You can install mousetRajectory from CRAN with
install.packages("mousetRajectory")Alternatively, you can keep up to date and install the latest development version of mousetRajectory from github.com/mc-schaaf/mousetRajectory with:
if(!require("devtools")){install.packages("devtools")}
devtools::install_github("mc-schaaf/mousetRajectory")Currently, the following functions are featured:
is_monotonic() checks whether your timestamps make
sense and warns you if they don’t.is_monotonic_along_ideal() checks whether your
trajectories make sense and warns you if they don’t.time_circle_left() tells you the time at which the
starting area was left.time_circle_entered() tells you the time at which the
end area was entered.point_crosses() tells you how often a certain value on
the x or y axis is crossed.direction_changes() tells you how often the direction
along the x or y axis changes.interp1() directs you to the interpolation function
from the awesome signal package. Thus, you do not have to
call library("signal"). Such time-saving, much wow. Also,
not having to attach the signal package avoids ambiguity
between signal::filter() and dplyr::filter()
in your search path.interp2() is a convenience wrapper to
interp1() that rescales the time for you.starting_angle() computes (not only starting)
angles.auc() computes the (signed) Area Under the Curve
(AUC).max_ad() computes the (signed) Maximum Absolute
Deviation (MAD).curvature() computes the curvature.index_max_velocity() computes the time to peak
velocity, assuming equidistant times between data points.index_max_acceleration() computes the time to peak
acceleration, assuming equidistant times between data points.sampen() computes the sample entropy.You can find an example application as well as the full documentation at mc-schaaf.github.io/mousetRajectory/.
Please report bugs to github.com/mc-schaaf/mousetRajectory/issues.
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.