coerce_to_sparse_data_frame {sparsevctrs}

Coerce sparse matrix to data frame with sparse columns

Description

Turning a sparse matrix into a data frame

Usage

coerce_to_sparse_data_frame(x)

Arguments

x

sparse matrix.

Details

The only requirement from the sparse matrix is that it contains column names.

Value

data.frame with sparse columns

See Also

coerce_to_sparse_tibble() coerce_to_sparse_matrix()

Examples

set.seed(1234)
mat <- matrix(sample(0:1, 100, TRUE, c(0.9, 0.1)), nrow = 10)
colnames(mat) <- letters[1:10]
sparse_mat <- Matrix::Matrix(mat, sparse = TRUE)
sparse_mat

res <- coerce_to_sparse_data_frame(sparse_mat)
res

# All columns are sparse
vapply(res, is_sparse_vector, logical(1))