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Questions tagged [apache-mahout]

Apache Mahout is an open source scalable machine learning project

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4
votes
1answer
411 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 ...
2
votes
1answer
288 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, ...
1
vote
1answer
157 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: ...
3
votes
0answers
89 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 ...
1
vote
0answers
67 views

collaborative filtering in mahout

How the recommendation results using collaborative filtering depends on the type of data? As in collaborative filtering we just need user id, item id and rating then how it will differ in regard to ...
1
vote
0answers
156 views

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: ...
0
votes
1answer
463 views

Recommendation for boolean dataset with apache mahout

I was trying to implement Item based Recommender System with the boolean dataset, Dataset example: ...
3
votes
1answer
634 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, ...
0
votes
2answers
1k views

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, ...
2
votes
2answers
1k views

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 ...
4
votes
2answers
5k 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 ...
3
votes
1answer
167 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 ...
1
vote
0answers
46 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 ...
5
votes
2answers
793 views

Item based recommender using SVD

I have an item-item similarity matrix. e.g. (the matrix is symmetric, and much bigger): ...
1
vote
1answer
75 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 ...
2
votes
1answer
420 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?