Package index

Density and sampling

Functions for computing density maps, sampling, and density matrix.

eye_density()

eye_density

get_density()

get_density

sample_density()

sample_density

density_matrix()

Compute Density Matrix for a Given Object

eye_density(<fixation_group>)

Compute a density map for a fixation group.

gen_density()

This function creates a density object from the provided x, y, and z matrices. The density object is a list containing the x, y, and z values with a class attribute set to "density" and "list".

as.data.frame(<eye_density>)

Convert an eye_density object to a data.frame.

Spatial operations

Functions for manipulating spatial coordinates and transformations.

coords()

extract coordinates

rescale()

rescale

center()

Center Eye-Movements in a New Coordinate System

normalize()

Normalize Eye-Movements to Unit Range

match_scale()

Match Scaling Parameters for Fixation Data

Fixation operations

Functions for working with fixation sequences.

fixation_group()

Create a Fixation Group Object

rep_fixations()

rep_fixations

sample_fixations()

sample_fixations

fixation_similarity()

Fixation Similarity

template_sample()

Sample density maps with coordinates derived from fixation groups.

Similarity

Functions for computing similarity between objects.

similarity()

Compute Similarity Between Two Objects

multi_match()

Compute MultiMatch Metrics for Scanpath Similarity

scanpath_similarity()

Scanpath Similarity

similarity(<scanpath>)

Compute Similarity Between Scanpaths

template_similarity()

template_similarity

sample_density_time()

Sample density maps at fixation locations over time

repetitive_similarity()

Repetitive Similarity Analysis for Density Maps

install_multimatch()

Install Python multimatch_gaze Package

Scanpath

Functions for creating and adding scanpaths.

scanpath()

Construct a Scanpath of a Fixation Group of Related Objects

add_scanpath()

Add Scanpath to Dataset

add_scanpath(<data.frame>)

Add Scanpath to a Data Frame

add_scanpath(<eye_table>)

Add Scanpath to an Eye Table

scanpath(<fixation_group>)

Create a Scanpath for a Fixation Group

anim_scanpath()

Animate a Fixation Scanpath with gganimate

calcangle()

Calculate the Angle Between Two Vectors

cart2pol()

Convert Cartesian Coordinates to Polar Coordinates

template_multireg()

Template Multiple Regression

template_regression()

Template Regression

Eye Table

Functions for working with eye tables.

as_eye_table()

Reapply the 'eye_table' Class to an Object

eye_table()

Construct an Eye-Movement Data Frame

simulate_eye_table()

Generate a Simulated Eye-Movement Data Frame

`[`(<eye_table>)

Subset an 'eye_table' Object

plot(<eye_density>)

Plot Eye Density

plot(<fixation_group>)

Plot a fixation_group object

Density by Groups

Functions for density operations by groups.

density_by()

Calculate Eye Density by Groups

sample_density()

sample_density

Data

Example datasets included with the package.

wynn_study

Eye-tracking study data from Wynn et al.

wynn_study_image

Study image from Wynn et al.

wynn_test

Eye-tracking test data from Wynn et al.