Efficiently Serializing and Deserializing SparseDataFrames Using msgpack

Computing the Sum of Squares of Each Row in a Sparse Matrix: An Efficient Approach Using `apply`

Unstacking MultiIndex Directly to Sparse Object in Python Pandas: A Workaround

Optimizing Memory Usage with Pandas Series: A Guide to Saving to Disk with Sparse Matrices

Memory-Efficient Sparse Matrix Representations in Pandas, Numpy, and Spicy: A Comparison of Memory Usage and Concatenation/HStack Operations