| accuracy | Compute Gaze Accuracy |
| bcea | Bivariate Contour Ellipse Area (BCEA) |
| compute_data_quality_from_validation | Compute Data Quality Metrics from Validation Data |
| DataQuality | R6 class for calculating Data Quality from a gaze data segment |
| data_loss_from_expected | Compute Data Loss from Expected Sample Count |
| data_loss_from_invalid | Compute Data Loss from number of invalid samples. |
| effective_frequency | Compute Effective Sampling Frequency |
| ETDQ_version | Get ETDQualitizer Version |
| Fick_to_vector | Convert Fick Angles to 3D Vector |
| precision_using_moving_window | Precision Using Moving Window |
| report_data_quality_table | Summarize and Report Data Quality Metrics |
| rms_s2s | RMS of Sample-to-Sample Differences |
| ScreenConfiguration | R6 Screen Configuration Class |
| std | Standard Deviation of Gaze Samples |
| vector_to_Fick | Convert 3D Vector to Fick Angles |