Questions tagged [apache-mahout]
Apache Mahout is an open source scalable machine learning project
16 questions
5
votes
1
answer
620
views
Using Spark for finding similar users to a user?
I read about
https://mahout.apache.org/users/algorithms/intro-cooccurrence-spark.html
but couldn't find a spark library for this implementation.
I have columnar string dataset.
I have a dataset ...
- 191
2
votes
1
answer
417
views
Mahout Spark shell not working
I installed Hadoop, Mahout and Spark. I am able to see the Hadoop and Spark MasterWebUI. Moreover, I can also run the following command,
...
- 141
1
vote
1
answer
183
views
Unknown program 'spark-itemsimilarity' chosen
I have cloudera CDH5 running inside a virtual box.
when I try to run :
mahout spark-itemsimilarity ....
I get the error:
...
- 143
3
votes
0
answers
107
views
Interpretation of Similarity Number generated by LogLikehood in Mahout
I have a pretty basic question and I was hoping someone could help me. I’m not a math person and I’m fairly new to mahout so I’m looking for a poor’s man explanation.
It is a typical order ...
- 143
1
vote
0
answers
399
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mahout clusterdump top terms meaning
I apologize that this has been asked and I feel that it may be obvious, but I am wondering exactly what the meaning of the numerical value below from clusterdump:
...
- 221
0
votes
1
answer
580
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Recommendation for boolean dataset with apache mahout
I was trying to implement Item based Recommender System with the boolean dataset, Dataset example:
...
- 17
3
votes
1
answer
750
views
Content based recommendation on Mahout
Is it possible to get recommendation on similar product using Mahout ?
eg :
I have data set of movies with following attributes
Movie_name, Actor_1, Actor_2, Actress_1, Actress_2, Director, Theme, ...
- 1,920
0
votes
2
answers
2k
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collaborative filtering using graph and machine learning
What are the advantages and disadvantages of using Collaborative filtering based recommendation using machine learning approach and graph based approach ?
Say I have user purchase data (user_name, ...
- 1,920
2
votes
2
answers
1k
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Building Recommendation engine with Python
Which all are the equivalent or advanced libraries in Python for building recommendation systems like Mahout for Collaborative Filtering and Content Based Filtering ?
Also is there a way to ...
- 1,920
7
votes
2
answers
8k
views
Item Based Collaborative Filtering with No Ratings
I am building a recommender for web pages. For each web page in our data set, we wish to generate a list of web pages that other users have also visited.
Our data only shows that a user has either ...
- 1,169
4
votes
1
answer
189
views
User profiling with Mahout from categorized user behavior
I'm trying to cluster and classify users with Mahout. At the moment I am at the planning phase, my mind is completely mixed with ideas, and since I'm relatively new to the area I'm stuck at the data ...
- 41
1
vote
0
answers
48
views
Parameters for OnlineLogisticRegression function in Mahout
Can anyone tell me where do I find any documentation for parameters like:
-stepOffset
-alpha
-decayExponent
in an OnlineLogisticRegression function in ...
- 235
5
votes
2
answers
938
views
Item based recommender using SVD
I have an item-item similarity matrix. e.g. (the matrix is symmetric, and much bigger):
...
- 151
1
vote
1
answer
81
views
Mimic a Mahout like system
I have a data set, in excel format, with account names, reported symptoms, a determined root cause and a date in month year format for each row. I am trying to implement a mahout like system with a ...
- 1,065
3
votes
1
answer
442
views
N - fold cross validation in mahout
Is there a method/class available in Apache Mahout to perform n-fold cross validation?
If yes how it can be done?
- 1,920
2
votes
0
answers
350
views
Creating Data model for mahout recommendation engine
I am trying to build an item-item similarity matching recommendation engine with mahout. The data set is as in the following format ( attributes are in text not in numerals format )
...
- 1,920