GitHub user mengxr opened a pull request:
https://github.com/apache/spark/pull/6452
[SPARK-7198] [MLLIB] VectorAssembler should output ML attributes
`VectorAssembler` should carry over ML attributes. For unknown attributes,
we assume numeric values. This PR handles the following cases:
1. DoubleType with ML attribute: carry over
2. DoubleType without ML attribute: numeric value
3. Scalar type: numeric value
4. VectorType with all ML attributes: carry over and update names
5. VectorType with number of ML attributes: assume all numeric
6. VectorType without ML attributes: check the first row and get the number
of attributes
@jkbradley
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mengxr/spark SPARK-7198
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6452.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #6452
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commit facdb1f8d43766ff94bcb8e1bdcb6651de0b29ea
Author: Xiangrui Meng <[email protected]>
Date: 2015-05-28T04:22:44Z
VectorAssembler should output ML attributes
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