Github user helenahm commented on the issue:
https://github.com/apache/incubator-hivemall/pull/93
I think you are right about CSRMatrix (_x here). I should use it without
converting it back to unscaleable structures via DataIndexer.
As I literary did by:
EventStream es = new MatrixEventStream(_x, _y, _attributes);
AbstractModel model;
try {
model = GIS.trainModel(1000, new OnePassRealValueDataIndexer(es,0),
_USE_SMOOTHING);
} catch (IOException e) {
throw new HiveException(e.getMessage());
}
I will re-write the code to be more scalable, by changing OpenNLP code to a
code that uses Smile's and Hivemall's structures. I was mistaken about the ways
OpenNLP processes the data from the EventStream.
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