| PupilPre-package | PupilPre: Preprocessing Pupil Size Data. |
| apply_butter | Applies a Butterworth filter to each event. |
| apply_cleanup_change | Applies user-selected changes to auto cleanup |
| apply_user_cleanup | Applies manual cleanup to the data |
| baseline | Baseline correct the data |
| blink_summary | Check blinks |
| butter_filter_app | Plots the effect of Butterworth filtering by event. |
| check_baseline | Check baseline window for missing data |
| clean_artifact | Automatically clean artifacts. |
| clean_blink | Automatically clean Eyelink marked blinks. |
| compare_summary | A utility function to compare pupil size data before and after applying the cleanup |
| downsample | Downsample the data |
| interpolate_NAs | Interpolation for missing data. |
| NA_summary | Check missing data |
| plot_compare_app | Plots comparison of Pupil and Pupil_Previous by event. |
| plot_events | Plot each event within a group to a directory |
| plot_summary_app | Plots summary of subject or item. |
| ppl_check_eye_recording | Check which eyes were recorded during the experiment |
| ppl_plot_avg | Plots average Pupil. |
| ppl_plot_avg_cdiff | Plots average difference between two conditions. |
| ppl_plot_avg_contour | Plots average contour surface of pupil data. |
| ppl_prep_data | Check the classes of specific columns and re-assigns as necessary. |
| ppl_rm_extra_DVcols | Checks for and removes unnecessary DV output columns. |
| ppl_select_recorded_eye | Select the eye used during recording |
| Pupildat | This is a sample pupil size dataset included in the package |
| Pupilex1 | This is an example dataset to illustrate certain functionality |
| Pupilex2 | This is an example dataset to illustrate certain functionality |
| Pupilex3 | This is an example dataset to illustrate certain functionality |
| Pupilex4 | This is an example dataset to illustrate certain functionality |
| Pupilex5 | This is an example dataset to illustrate certain functionality |
| Pupilex6 | This is an example dataset to illustrate certain functionality |
| Pupilex7 | This is an example dataset to illustrate certain functionality |
| PupilPre | PupilPre: Preprocessing Pupil Size Data. |
| recode_off_screen | Check for samples off-screen and marks as NA. |
| rm_sparse_events | Removes events with excessive missing data |
| trim_filtered | Trim the beginning and end of filtered events. |
| user_cleanup_app | Interactive app for manually cleaning pupil data. |
| verify_cleanup_app | Interactive app for verifying auto cleanup. |