Ted Dunning and Ellen Friedman's "Time Series Databases" has a section on
this with some approaches to geo-encoding:
https://www.mapr.com/time-series-databases-new-ways-store-and-access-data
http://info.mapr.com/rs/mapr/images/Time_Series_Databases.pdf
On Tue, Mar 10, 2015 at 3:53 PM, John Meehan
Off master, got this error; is that typical?
---
T E S T S
---
Running org.apache.spark.streaming.mqtt.JavaMQTTStreamSuite
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.495
ferent similarity methods (long since implemented in hadoop mapreduce)
>> hasn’t been moved to spark yet.
>>
>> Yep, rows are not covered in the blog, my mistake. Too bad it has a lot of
>> uses and can at very least be optimized for output matrix symmetry.
>>
>
ed in the
>> Mahout code tied to LLR. Seems like we should get these together.
>>
>> On Jan 17, 2015, at 9:37 AM, Andrew Musselman
>> wrote:
>>
>> Excellent, thanks Pat.
>>
>> On Jan 17, 2015, at 9:27 AM, Pat Ferrel wrote:
>>
>>&g
the downsampling is done as LLR is calculated, so
> the entire similarity matrix is never actually calculated unless you disable
> downsampling.
>
> The primary use is for recommenders but I’ve used it (in the test suite) for
> row-wise text token similarity too.
>
&g
off using Mahout's RowSimilarityJob for what u r
> trying to accomplish.
>
> 1. It does give u pair-wise distances
> 2. U can specify the Distance measure u r looking to use
> 3. There's the old MapReduce impl and the Spark DSL impl per ur preference.
>
> Fro
to rows that are similar to one another.
>
>> On Fri, Jan 16, 2015 at 5:18 PM, Andrew Musselman
>> wrote:
>> What's a good way to calculate similarities between all vector-rows in a
>> matrix or RDD[Vector]?
>>
>> I'm seeing RowMatrix has a co
I'll try to uncover more later this weekend. Thoughts welcome though.
>
> On Fri, Jan 16, 2015 at 8:26 PM, Andrew Musselman
> wrote:
>> Thanks Ted, got farther along but now have a failing test; is this a known
>
What's a good way to calculate similarities between all vector-rows in a
matrix or RDD[Vector]?
I'm seeing RowMatrix has a columnSimilarities method but I'm not sure I'm
going down a good path to transpose a matrix in order to run that.
u are probably building with newer Hadoop
> profiles and so old-Hadoop support code shows deprecation warnings on
> its use of old APIs.
>
> On Fri, Jan 16, 2015 at 8:03 PM, Andrew Musselman
> wrote:
> > Just got the latest from Github and tried running `mvn test`; is this
Job aborted due to stage failure:
Maste...
On Fri, Jan 16, 2015 at 12:06 PM, Ted Yu wrote:
> Can you try doing this before running mvn ?
>
> export MAVEN_OPTS="-Xmx2g -XX:MaxPermSize=512M
> -XX:ReservedCodeCacheSize=512m"
>
> What OS are you using ?
>
> Cheers
&g
Just got the latest from Github and tried running `mvn test`; is this error
common and do you have any advice on fixing it?
Thanks!
[INFO] --- scala-maven-plugin:3.2.0:compile (scala-compile-first) @
spark-core_2.10 ---
[WARNING] Zinc server is not available at port 3030 - reverting to normal
inc
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