Hi all
I guest I must've seen somewhere on very similar topics on classname change
in Mahout-0.8-SNAPSHOT for some of the Lucene analyzer and here is another
one that I need to be solved.
Mahout gave me an error for seq2sparse with Lucene analyzer option as
follows,
which of cource had been
It should be
org.apache.lucene.analysis.core.WhitespaceAnalyzer ( u were missing the 'core')
Mahout trunk's presently at Lucene 4.2.1. Lucene's has gone through a major
refactor in 4.x.
Check Lucene 4.2.1 docs for the correct package name.
From: 万代豊
You always will have a cold start problem for a subset of users--the new ones
to a site. Popularity doesn't always work either. Sometimes you have a flat
purchase frequency distribution, as I've seen. In these cases a metadata or
content based recommender is nice to fill in. If you have no
Hi All,
I am doing clustering of some numerical data using KMeans algorithms(k=4).
My data consists of 2 decimal values[X,Y], let's say XY and expecting them
to be clustered into 4 clusters as LowX-LowY,LowX-HighY,HighX-LowY
HighX-HighY. Though my 4 clusters are formed but I am unable to
Karan,
The clusters that come out of the KMeans algorithm won't necessarily fit
the categories that you've defined. It all depends on the data. For
example, the clusters could all be in a line (like at (6,6), (3,3), (-3,
-3), and (-6, -6)), so there's no cluster that fits the description High
Hi All,
I am using the Mahout to build a user-based recommender system (RS). The
evaluation method I am using is
AverageAbsoluteDifferenceRecommenderEvaluator, which according to the
Mahout in Action randomly sets aside some existing preference and
calculate the difference between the