Computes a comprehensive set of pressure distribution parameters for an entire trial. Returns a single-row tibble suitable for row-binding across trials in batch analysis.
Arguments
- trial
A pr_trial object.
- threshold
Numeric. Threshold for "loaded" sensors. Default
0.
Value
A one-row tibble::tibble with columns:
mpp: maximum peak pressure (kPa)mvp: mean of per-frame mean pressures (kPa)max_force: maximum total force (N)mean_force: mean total force (N)max_contact_area: maximum contact area (cm^2)mean_contact_area: mean contact area (cm^2)contact_time: total contact duration (s)pti_max: maximum PTI across sensors (kPa*s)pti_mean: mean PTI across loaded sensors (kPa*s)impulse: force-time integral (N*s)cop_path_length: total COP trajectory length (mm)cop_velocity_mean: mean COP velocity (mm/s)cop_range_ap: anterior-posterior COP range (mm)cop_range_ml: medial-lateral COP range (mm)
Examples
trial <- pr_example_trial("insole")
pr_summary(trial)
#> # A tibble: 1 × 14
#> mpp mvp max_force mean_force max_contact_area mean_contact_area
#> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 646. 43.0 1466. 289. 128. 60.9
#> # ℹ 8 more variables: contact_time <dbl>, pti_max <dbl>, pti_mean <dbl>,
#> # impulse <dbl>, cop_path_length <dbl>, cop_velocity_mean <dbl>,
#> # cop_range_ap <dbl>, cop_range_ml <dbl>