Fits OASIS models with different HRF parameters and selects best
Usage
fit_oasis_grid(Y, onsets, sframe, hrf_grid, ridge_x = 0.01, ridge_b = 0.01)
Arguments
- Y
Data matrix (time x voxels)
- onsets
Event onset times
- sframe
Sampling frame
- hrf_grid
List of HRF models to test
- ridge_x
Ridge parameter for design matrix
- ridge_b
Ridge parameter for aggregator
Value
List with best HRF index, parameters, and beta estimates