Converts a dbMatrix object into an in-memory matrix or sparse matrix.
Usage
# S4 method for class 'dbMatrix'
as.matrix(x, ...)
Arguments
- x
A dbMatrix object (dbSparseMatrix or dbDenseMatrix)
- ...
Additional arguments (not used)
Value
A Matrix::dgCMatrix or base R matrix
Details
This method converts a dbMatrix object (dbSparseMatrix or dbDenseMatrix) to an in-memory
Matrix::dgCMatrix (for sparse) or base R matrix (for dense).
Warning: This can cause memory issues if the input matrix is large.