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From Stephen Boesch <>
Subject Re: Storing large data for MLlib machine learning
Date Thu, 26 Mar 2015 21:26:33 GMT
There are some convenience methods you might consider including:


and   MLUtils.loadLabeledPoint

2015-03-26 14:16 GMT-07:00 Ulanov, Alexander <>:

> Hi,
> Could you suggest what would be the reasonable file format to store
> feature vector data for machine learning in Spark MLlib? Are there any best
> practices for Spark?
> My data is dense feature vectors with labels. Some of the requirements are
> that the format should be easy loaded/serialized, randomly accessible, with
> a small footprint (binary). I am considering Parquet, hdf5, protocol buffer
> (protobuf), but I have little to no experience with them, so any
> suggestions would be really appreciated.
> Best regards, Alexander

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