Adding the scalar arithmatic functions sparse_division_scalar(), sparse_multiplication_scalar(), sparse_addition_scalar(), sparse_subtraction_scalar(). (#87)
Fixed bug in coerce_to_sparse_data_frame() and coerce_to_sparse_tibble() where they didn't work with ngCMatrix. (#89)
Helper function sparse_sqrt() has been added. (#90)
Helper function sparse_replace_na() has been added. (#91)
Adding the arithmatic function sparse_multiplication(). (#93)
Adding wts argument to sparse_mean(). (#95)
Adding sparse_lag(). (#99)
sparsity() has been added, allows sparsity calculations of data.frames, matrices, and sparse matrices. (#82)
Utility function has_sparse_elements() has been added. (#70)
Helper function sparse_dummy() has beenn added. (#49)
Helper functions sparse_mean(), sparse_var(), sparse_sd(), sparse_median() has been added. (#49)
All sparse vector types now have a significant smaller base object size. (#67)
All coerce functions have received a call argument. (#72)
is_sparse_vector() has been rewritten for speed improvement. (#76)
coerce_to_sparse_matrix() Now turns dense zeroes into sparse zeroes. (#77)
Fixed bug where coerce_to_sparse_data_frame() and coerce_to_sparse_tibble() didn't work with matrices with fully sparse columns. (#69)
Fixed bugs where coerce_to_sparse_matrix() would error for completely sparse columns. (#77)