Summarises vertex-level data by parcellation labels.
Usage
vertices_to_parcels(data, labels, summary_func = mean)
Arguments
- data
Numeric vector of vertex-level values.
- labels
Integer vector of parcel labels. 0 and NA are treated as
medial wall and excluded.
- summary_func
Function to summarise each parcel (default: mean).
Value
Named numeric vector of parcel-level values.
References
Markello RD et al. (2022) Nature Methods 19:1472-1480.
doi:10.1038/s41592-022-01625-w
Examples
data <- c(1.0, 2.0, 3.0, 4.0)
labels <- c(1L, 1L, 2L, 2L)
vertices_to_parcels(data, labels)
#> 1 2
#> 1.5 3.5
