Yes, it works! Thanks a lot Burak!

Cheers,
Dan


2015-07-14 14:34 GMT-05:00 Burak Yavuz <brk...@gmail.com>:

> Hi Dan,
>
> You could zip the indices with the values if you like.
>
> ```
> val sVec = sparseVector(1).asInstanceOf[
> org.apache.spark.mllib.linalg.SparseVector]
> val map = sVec.indices.zip(sVec.values).toMap
> ```
>
> Best,
> Burak
>
> On Tue, Jul 14, 2015 at 12:23 PM, Dan Dong <dongda...@gmail.com> wrote:
>
>> Hi,
>>   I'm wondering how to access elements of a linalg.Vector, e.g:
>> sparseVector: Seq[org.apache.spark.mllib.linalg.Vector] =
>> List((3,[1,2],[1.0,2.0]), (3,[0,1,2],[3.0,4.0,5.0]))
>>
>>
>> scala> sparseVector(1)
>> res16: org.apache.spark.mllib.linalg.Vector = (3,[0,1,2],[3.0,4.0,5.0])
>>
>> How to get the indices(0,1,2) and values(3.0,4.0,5.0) of  e.g:
>>  (3,[0,1,2],[3.0,4.0,5.0]) ?
>> It will be useful to map them into index->value pairs like:
>> 0->3.0
>> 1->4.0
>> 2->5.0
>>
>> I could not find such info from:
>>
>> https://spark.apache.org/docs/1.2.0/api/scala/index.html#org.apache.spark.mllib.linalg.Vector
>>
>> Thanks.
>>
>> Cheers,
>> Dan
>>
>>
>

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