unparcellate: Unparcellate brain map data

In neuromapr: Spatial Null Models and Transforms for Brain Map Comparison

Unparcellate brain map data

Description

Inverse of parcellate(): maps parcel-level values back to vertices.

Usage

unparcellate(parcel_data, parcellation, fill = NA_real_)

Arguments

parcel_data	Named numeric vector of parcel values.
parcellation	Integer vector of labels or file path to a GIFTI label file.
fill	Value for medial wall vertices (default: NA_real_).

Value

Numeric vector of vertex-level values.

References

Markello RD et al. (2022) Nature Methods 19:1472-1480. doi:10.1038/s41592-022-01625-w

Examples

parcel_data <- c("1" = 10, "2" = 20)
labels <- c(1L, 1L, 2L, 2L, 0L)
unparcellate(parcel_data, labels)

neuromapr documentation built on Feb. 27, 2026, 5:08 p.m.