Construct a deduplicated, bit-packed bank of feature masks — mask_bank • fmridataset

Construct a deduplicated, bit-packed bank of feature masks

Usage

mask_bank(masks, space, metadata = list())

Arguments

masks: Logical mask-by-feature matrix. Duplicate rows are stored once.
space: Exact feature space addressed by mask columns.
metadata: Serializable metadata.

Value

A serializable mask_bank.

Examples

space <- index_space(6, ids = paste0("f", 1:6), namespace = "validity-ex")
masks <- rbind(
  c(TRUE, TRUE, FALSE, TRUE, FALSE, TRUE),
  c(TRUE, FALSE, FALSE, TRUE, TRUE, TRUE)
)
bank <- mask_bank(masks, space)
n_masks(bank)
#> [1] 2