[SPARK-7194][MLLIB] Vectors factors method for sparse vectors should accept the output of zipWithIndex - #5766
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kaka1992 wants to merge 2 commits into
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[SPARK-7194][MLLIB] Vectors factors method for sparse vectors should accept the output of zipWithIndex#5766kaka1992 wants to merge 2 commits into
kaka1992 wants to merge 2 commits into
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Can one of the admins verify this patch? |
Contributor
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@kaka1992 I don't see why this is useful. Creating a dense vector directly is certainly more efficient. |
Contributor
Author
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@mengxr Just provide a way to turn DeseV to SparseV easily. Somebody may need this. |
Contributor
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See #5756. Users should be able to write |
Contributor
Author
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@mengxr Ok, I'll close this pr. |
Member
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@kaka1992 this wasn't quite the proposal in the JIRA anyway; it had to do with accepting either order of tuple. |
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Add a new Vectors.sparse(arr: Array[Double])