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Questions tagged [mahout]

Apache Mahout open source scalable machine learning project

This topic covers questions related to Apache Mahout, a scalable machine learning project written in Java and largely based on Apache Hadoop, with implementations of algorithms for:

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DistanceMeasure type of data in Java Mahout library

I've written a code to cluster a group of data in Java. I am using Apache Mahout to build clusters. Here is the piece of my code: Configuration conf = new Configuration(); Path input = new Path("C:\\DATA\\input.txt"); Path…
JoshuaJeanThree
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Can I use user-based recommendation on hadoop?

I'm reading 'Mahout in action',From this book, It has come to my attention that I can set a item-based recommendations.So I want to know is there anybody have set a user-based recommendation. And as I know FileDataModel supports update files,this is…
tangs90
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Combine search engine and machine learning

I'm pretty new on search engines and pretty newbie on machine learning. But I wanted to know if there is a way to combine functionalities of search engines like elasticsearch or Apache Solr and machine learning project like Apache Mahout, H2O or…
Oreste Viron
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Error running Apache Mahout K-Means

I am trying to execute Apache Mahout K-Means algorithm on Apache Hadoop with this dataset [Tennis Major Tournament Match Statistics from UCI Machine Learning Repository], but I have one error when I execute the clusterdump command. I am following…
David Rebe
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How to identify image and text from mongodb database

I want store mixed data of text and image together in mongodb database. My later part of the work would be to identify text and image separately from the mixed set of data. How can I do the above mentioned steps ? Is it suitable with mongodb or I…
CyberDuck
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Copy Table from Hive to HDFS

I would like to copy HIVE table from HIVE to HDFS. Please suggest the steps. Later I would like to use this HFDS file for Mahout Machine Learning. I have created a HIVE table using data stored in the HDFS. Then I trasfromed the few variables in that…
DSBLR
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After starting hadoop, i cannot start mahout ..!

When Starting Mahout i got an error message like this root@fazil-VPCEB45FG:/usr/local/mahout/bin# ./mahout hadoop binary is not in PATH,HADOOP_HOME/bin,HADOOP_PREFIX/bin, running locally Error occurred during initialization of VM Could not reserve…
user2260984
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Mahout for unstructured data an advantage?

I have installed mahout and test run several examples; would it be safe to say that one of Mahout's advantages it being used for unstructured data (scalability aside)?
Ibrahim Mokdad
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What recommended machine learning libriries to use?

I used Mahout, it is great , but need something better that have more implemented algorithms and maybe faster
tnaser
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With mahout Taste library how can i get neighbors and similarity for fiven userid

I am using mahout taste library for reccomendation engine..I get reccomendations for userid but not proper results..so i need to know its neighbores and similarity value..how can i get it. With advance thanks, laxmi.P
laxmi
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Sales Recommendations with Mahout

I am building up a recommender system to recommend products that customers might be interested and I have a sales dataset, which has the customer ID and Product ID, and if the customer bought a product it would be represented by 1 or did not like…
user2255207
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Removing trailing bin/java at end of environmental variable in linux

I am trying to compile mahout, I have temporarily changed the JAVA_HOME variable like this: export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.33.x86_64/ and I checked that it was changed correctly using this command: printenv |grep…
hope288
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Hadoop vs Mahout and Machine learning Issue?

I start making research about Data science and machine learning development using mahout, and i found hadoop, Both made me confused : what is the relationship between hadoop and mahout? For Data Science and machine learning stuff, what is the best…
Abu taha
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Mahout k-means on Hadoop

I want to run kmeans clustering on a Hadoop pseudo-distributed mode. I have 5 million of vectors in a .mat file, with 38 numeric features for each vector, like this: 0 0 1 0 0 0 0 0 0 0 0 0 ... I've…
user3672041
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How RecommenderJob(org.apache.mahout.cf.taste.hadoop.item.RecommenderJob) will call my custom mappers and reducers?

I am running Mahout in Action example for 6 using command: "hadoop jar target/mia-0.1-job.jar org.apache.mahout.cf.taste.hadoop.item.RecommenderJob -Dmapred.input.dir=input/input.txt -Dmapred.output.dir=output --usersFile input/users.txt…
user1844111
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