| AOI_seq | Sequence analysis of area of interest entries | 
| AOI_time | Analysis of time spent in areas of interest | 
| AOI_time_binned | Binned time analysis of area of interest entries | 
| combine_eyes | Combine binocular data into single X/Y coordinate pairs | 
| compare_algorithms | A battery of metrics and plots to compare the two algorithms (dispersion and VTI) | 
| conditional_transform | conditional_transform | 
| create_AOI_df | Create a blank data frame for populating with AOIs | 
| dist_to_visual_angle | Compute visual angle from distance metrics | 
| fixation_dispersion | Fixation detection using a dispersion method | 
| fixation_VTI | Fixation detection using a velocity threshold identification method | 
| HCL | Example dataset from that contains binocular eye data from two participants from a simple contingency learning task (the data are from Beesley, Nguyen, Pearson, & Le Pelley, 2015). In this task there are two stimuli that appear simultaneously on each trial (to the left and right of the screen). Participants look at these cues and then make a decision by selecting an "outcome response" button. | 
| HCL_AOIs | Example AOIs for use with HCL | 
| HCL_behavioural | Example dataset of behavioural data to complement dataset HCL. | 
| hdf5_get_event | Get messgaes stored in TOBII-generated HDF5 files | 
| hdf5_to_df | Convert TOBII-generated HDF5 files to dataframe | 
| interpolate | Interpolation of missing data (NAs) | 
| plot_AOI_growth | Plots absolute or proportional time spent in AOIs over time | 
| plot_heatmap | Plot heatmap of raw data | 
| plot_seq | Plot of raw data over time | 
| plot_spatial | Plot raw data and fixations | 
| saccade_VTI | Velocity threshold identification of saccades | 
| smoother | Smoothing of raw data |