test_that("vector_rsa runs without error and produces valid outputs", {
# Generate a sample dataset with 100 rows, 3 blocks, and a (5,5,5) volume structure
# Assuming a helper function gen_sample_dataset() that creates suitable data
dataset <- gen_sample_dataset(c(5,5,5), 100, blocks=3)
# Create a reference distance matrix from random noise, dimensions should match dataset
D <- as.matrix(dist(matrix(rnorm(15*15), 15, 15)))
labels <- rep(paste0("Label", 1:15), length.out=15)
row.names(D) <- labels
colnames(D) <- labels
block <- dataset$design$block_var
# Create vector_rsa_design and model
rdes <- vector_rsa_design(D=D, labels=sample(labels, length(block), replace=TRUE), block)
mspec <- vector_rsa_model(dataset$dataset, rdes, distfun=cordist())
out <- run_searchlight.vector_rsa(mspec, radius=4, method="standard")
expect_true(inherits(out[[1]], "DenseNeuroVol"))
# Set up parallel processing capabilities
})
test_that("vector_rsa runs with mahalanobis distance without error and produces valid outputs", {
# Generate a sample dataset with 100 rows, 3 blocks, and a (5,5,5) volume structure
# Assuming a helper function gen_sample_dataset() that creates suitable data
dataset <- gen_sample_dataset(c(5,5,5), 100, blocks=3)
# Create a reference distance matrix from random noise, dimensions should match dataset
D <- as.matrix(dist(matrix(rnorm(15*15), 15, 15)))
labels <- rep(paste0("Label", 1:15), length.out=15)
row.names(D) <- labels
colnames(D) <- labels
block <- dataset$design$block_var
# Create vector_rsa_design and model
rdes <- vector_rsa_design(D=D, labels=sample(labels, length(block), replace=TRUE), block)
mspec <- vector_rsa_model(dataset$dataset, rdes, distfun=mahadist())
out <- run_searchlight.vector_rsa(mspec, radius=4, method="standard")
expect_true(inherits(out[[1]], "DenseNeuroVol"))
# Set up parallel processing capabilities
})
test_that("vector_rsa runs with pca distance without error and produces valid outputs", {
# Generate a sample dataset with 100 rows, 3 blocks, and a (5,5,5) volume structure
# Assuming a helper function gen_sample_dataset() that creates suitable data
dataset <- gen_sample_dataset(c(5,5,5), 100, blocks=3)
# Create a reference distance matrix from random noise, dimensions should match dataset
D <- as.matrix(dist(matrix(rnorm(15*15), 15, 15)))
labels <- rep(paste0("Label", 1:15), length.out=15)
row.names(D) <- labels
colnames(D) <- labels
block <- dataset$design$block_var
# Create vector_rsa_design and model
rdes <- vector_rsa_design(D=D, labels=sample(labels, length(block), replace=TRUE), block)
threshfun <- function(x) {print(sum(x > 1)); sum(x>1)}
distfun <- pcadist(labels=NULL, ncomp=3, whiten=FALSE, threshfun=threshfun, dist_method="cosine")
mspec <- vector_rsa_model(dataset$dataset, rdes, distfun=distfun)
out <- run_searchlight.vector_rsa(mspec, radius=4, method="standard")
expect_true(inherits(out[[1]], "DenseNeuroVol"))
# Set up parallel processing capabilities
})
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