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Sean Owen commented on MAHOUT-847:
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No, EuclideanDistanceMeasure is a distance measure ra
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Lance Norskog edited comment on MAHOUT-838 at 10/22/11 6:04 AM:
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Lance Norskog updated MAHOUT-838:
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Attachment: MAHOUT-838_mini.patch
> Make the confusion matrix writable to a file when testing
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Lance Norskog updated MAHOUT-838:
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Attachment: MatrixWritable.java
ConfusionMatrix.java
Replace these two files, the
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Lance Norskog commented on MAHOUT-838:
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MAHOUT-812 was committed on Oct. 3. If your c
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Lance Norskog updated MAHOUT-849:
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Attachment: MAHOUT-849.patch
> Wrong error messages in AbstractMatrix
> -
Wrong error messages in AbstractMatrix
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Key: MAHOUT-849
URL: https://issues.apache.org/jira/browse/MAHOUT-849
Project: Mahout
Issue Type: Bug
Reporter: Lance Norskog
Priority: Tri
More completely: given an Nx1 random projection matrix, project any
N-dimensional vector to a 1-dimensional vector. The delta of two of these
1-d vectors gives a consistent difference, no?
On Fri, Oct 21, 2011 at 9:35 AM, Ted Dunning wrote:
> Well, it is missing a matrix to define the projection
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Lance Norskog commented on MAHOUT-847:
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How does this compare with EuclideanDistanceM
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Jake Mannix commented on MAHOUT-845:
Well, that's a good question. I've used it the s
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Frank Scholten commented on MAHOUT-845:
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Yes and this method would return an array o
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Frank Scholten commented on MAHOUT-845:
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Yes you make some good points about the vir
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Jake Mannix commented on MAHOUT-845:
So this is good, I like that this puts the queue
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Frank Scholten updated MAHOUT-845:
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Attachment: MAHOUT-845.patch
Newer patch that also updates ClusterDumperWriter
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Jake Mannix commented on MAHOUT-845:
Ooh, actually, I have code which does this on my
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Frank Scholten updated MAHOUT-845:
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Attachment: MAHOUT-845.patch
Here is a patch for retrieving the top k elements on Vector, imple
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Frank Scholten updated MAHOUT-845:
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Fix Version/s: 0.6
Affects Version/s: 0.5
Status: Patch Available (was:
I think he was confused. He sent two copies of a message just now that
came through.
On Fri, Oct 21, 2011 at 3:02 PM, Sean Owen wrote:
> The Apache mail servers definitely moderate suspected spam, and, it
> flags a whole lot of stuff. For example, mails from committers are
> regularly flagged.
>
The Apache mail servers definitely moderate suspected spam, and, it
flags a whole lot of stuff. For example, mails from committers are
regularly flagged.
I (and a few others) get moderate messages. Obviously I approve
anything that's not spam, but, it's possible I missed something. I
doubt I misse
Someone on stackoverflow claims to have send mail to the user list
that hasn't shown up.
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Jeff Eastman commented on MAHOUT-524:
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I'm running in the Eclipse debugger, debugging
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Dan Brickley commented on MAHOUT-524:
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re Sean's "I'd restart your cluster."; should i
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Dmitriy Lyubimov commented on MAHOUT-672:
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Jonathan,
Thank you for this work. It
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Jeff Eastman commented on MAHOUT-524:
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All of this is buried inside of DistributedLanc
Well, it is missing a matrix to define the projections, but it is the heart
of the issue.
It also lacks a proof which is kind of important among some circles. The
clever proof is actually not that hard to grok.
On Fri, Oct 21, 2011 at 5:07 AM, Federico Castanedo wrote:
> I think, that's a good
I think, that's a good explanation of the Johnson-Lindenstrauss Lemma, which
is the basis of the manifold learning theory using random projections.
2011/10/21 Ted Dunning
> Sort of.
>
> I may be misunderstanding the question.
>
> If you take a random orthogonal projection, then distances will be
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Sean Owen updated MAHOUT-847:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> Improve Euclidean distance simil
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Sean Owen commented on MAHOUT-847:
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The problem with caching sqrt(n) is that every pair o
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