Oops yes it is. Been working inside the Spark packages too long. Ignore that comment. On Oct 19, 2014 1:42 AM, "Matei Zaharia" <matei.zaha...@gmail.com> wrote:
> toBreeze is private within Spark, it should not be accessible to users. If > you want to make a Breeze vector from an MLlib one, it's pretty > straightforward, and you can make your own utility function for it. > > Matei > > > > On Oct 17, 2014, at 5:09 PM, Sean Owen <so...@cloudera.com> wrote: > > > > Yes, I think that's the logic, but then what do toBreezeVector return > > if it is not based on Breeze? and this is called a lot by client code > > since you often have to do something nontrivial to the vector. I > > suppose you can still have that thing return a Breeze vector and use > > it for no other purpose. I think this abstraction leaks though. > > > > On Fri, Oct 17, 2014 at 7:48 PM, Nicholas Chammas > > <nicholas.cham...@gmail.com> wrote: > >> I don't know the answer for sure, but just from an API perspective I'd > guess > >> that the Spark authors don't want to tie their API to Breeze. If at a > future > >> point they swap out a different implementation for Breeze, they don't > have > >> to change their public interface. MLlib's interface remains consistent > while > >> the internals are free to evolve. > >> > >> Nick > >> > >> > >> 2014년 10월 17일 금요일, ll<duy.huynh....@gmail.com>님이 작성한 메시지: > >> > >>> hello... i'm looking at the source code for mllib.linalg.Vectors and it > >>> looks > >>> like it's a wrapper around Breeze with very small changes (mostly > changing > >>> the names). > >>> > >>> i don't have any problem with using spark wrapper around Breeze or > Breeze > >>> directly. i'm just curious to understand why this wrapper was created > vs. > >>> pointing everyone to Breeze directly? > >>> > >>> > >>> > https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala > >>> > >>> > >>> > >>> -- > >>> View this message in context: > >>> > http://apache-spark-user-list.1001560.n3.nabble.com/mllib-linalg-Vectors-vs-Breeze-tp16722.html > >>> Sent from the Apache Spark User List mailing list archive at > Nabble.com. > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > >>> For additional commands, e-mail: user-h...@spark.apache.org > >>> > >> > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: user-unsubscr...@spark.apache.org > > For additional commands, e-mail: user-h...@spark.apache.org > > > >
