Get Number of Timepoints from Sampling Frame

Extracts the total number of timepoints (volumes) across all runs from objects containing temporal structure information.

Usage

n_timepoints(x, ...)

# S3 method for class 'matrix_dataset'
n_timepoints(x, ...)

# S3 method for class 'fmri_dataset'
n_timepoints(x, ...)

# S3 method for class 'fmri_mem_dataset'
n_timepoints(x, ...)

# S3 method for class 'fmri_file_dataset'
n_timepoints(x, ...)

# S3 method for class 'fmri_study_dataset'
n_timepoints(x, ...)

# S3 method for class 'sampling_frame'
n_timepoints(x, ...)

Arguments

x

An object containing temporal structure (e.g., sampling_frame, fmri_dataset)

...

Additional arguments passed to methods

Value

Integer representing the total number of timepoints

See also

n_runs for number of runs, get_run_lengths for individual run lengths

Examples

# \donttest{
# Create a sampling frame with 3 runs
sf <- fmrihrf::sampling_frame(blocklens = c(100, 120, 110), TR = 2)
n_timepoints(sf) # Returns: 330 (sum of run lengths)
#> [1] 330
# }