Visualizing a Sparse Matrix

Visualizing a Sparse Matrix

How do you know if you have a sparse matrix? Visualize it! Many areas in machine learning commonly employ the use of a sparse matrix.

Many areas in machine learning commonly employ the use of a sparse matrix. If you have ever vectorized a NLP dictionary using One-Hot-Encoding, CountVectorizing or TfidVectorizing you know what I’m pertaining to.

In simplest terms, a sparse matrix is one containing many zeros and a dense matrix which does not.

import scipy.sparse as sparse
import matplotlib.pyplot as plt

%matplotlib inline
## adjust the density parameter
sparse = sparse.random(10,10, density=0.015)
sparse.toarray()

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Sparse

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natural-language-processi matplotlib sparse-matrix visual studio code

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