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How to create a Sparse vector from a dense vector?

Question Posted / parvind pal


How to create a Sparse vector from a dense vector?..

Answer / Gaurav Kumar Shah

"In Apache Spark's MLlib, you can use the SparseVector class to create a sparse vector from a dense vector. You can create a SparseVector by specifying an array of indices and another array for values, representing non-zero elements in the sparse vector. The zero entries are assumed where no indices are specified."n

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