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Questions tagged [predictionio]

Apache PredictionIO is an open source Machine Learning server for software developers to create predictive features, such as personalization, recommendation and content discovery.

PredictionIO is an open source machine learning server for software developers to create predictive features, such as personalization, recommendation and content discovery.

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PredictionIO train error tokens must not be empty

I am tinkering with predictioIO to build a custom classification engine. I have done this before without issues. But for current dataset pio train is giving me an error tokens must not be empty.I have edited Datasource.scala to mention fields in…
cutteeth
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Predictionio very large task size

I am using recommendation engine and have modified my dataset. A few line from my dataset is as below 4695::132687::5 4695::132688::5 4835::132689::5 3691::132690::5 I can successfully build train and deploy engine. But on issuing pio train I am…
cutteeth
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Predictionio evaluation fails with empty.maxBy exception and training with java.lang.OutOfMemoryError

I have downloaded the latest update on text classification template. I created a new app and imported stopwords.json and emails.json by specifying app id $ pio import --appid --input data/stopwords.json $ pio import --appid --input…
cutteeth
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Predictionio evaluation fails with Text Classification template

I am trying to predict a text field based on other text fields on predictionio. I used this guide for reference. I created a new app using pio app new MyTextApp and followed the guide upto evaluation using datasource provided in template. It was…
cutteeth
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php exec() doesn't work with PredictionIO deploy

I am using PredictionIO for recommendation, now i want to run deploy automatic, and i use exec('cd /home/abc/sites/BeeketingEngineShop/ && /home/abc/PredictionIO/bin/pio deploy) But it keep running, and doesn't deploy in 0.0.0.0:8000 When i…
Nghia Vu
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Error when debugging e-commerce recommendation engine

I'm following this tutorial to debug e-commerce recommendation engine http://docs.prediction.io/resources/intellij/ After completing all setup and run debug, I got this error, any suggestion how to resolve this? I could find this class by class…
quaninte
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Can't find PredictionIO admin dashboard (migrating from PredictionIO 0.6.1 to 0.8.4)

I'm resuming to predictionio after a few months, last time I had used was 0.6.1 with mongodb, Java SDK, etc... I believe there was a GUI driven interface to predictionio, Now the problem I'm facing is that, no where in the docs for new release they…
Yash Krishnan
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How can I start the eventserver?

I have installed predictionio through brew on my osx ( Maverick ) and i can start the admin's service (http://0.0.0.0:9000 ) and the api's server (http://0.0.0.0:8000). But reading the docs, with the ruby's sdk, says: # Create a client…
David Villa
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How to Specify the Target App when setting up PredictionIO for Rails App

I'm new to PredictionIO, and I'm following this tutorial http://docs.prediction.io/0.8.0/tutorials/engines/itemrec/rails.html. I got to the step where I need to import a rake task. Well, that doesn't work and I get this…
ivanacorovic
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PredictionIO Mavericks installation

I am using official install guide: http://docs.prediction.io/0.8.0/install/install-sourcecode.html $ git clone https://github.com/PredictionIO/PredictionIO.git $ cd PredictionIO $ ./make-distribution.sh after typing those commands I got…
Voldemar Duletskiy
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Array within an array of Vectors.dense in Spark

I am trying to add featureD as an array of Double in Vectors.dense function, but getting this error: templates/scala-parallel-classification/reading-custom-properties/src/main/scala/DataSource.scala:58:21: overloaded method value dense with…
HelmBurger
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"Malformed json" error while running predictionIO

I was trying universal recommender using predictionIO. While importing .json file into the app by command: $ pio import --appid 6 --input importdata/click.json I am getting an error: [Stage 0:> …
Neron Joseph
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PredictionIO - Error when trainning kmean clustering

I followed the guidance below to train and deploy KMean clustering. But I got error with pio train: [WARN] [Template$] template.json does not exist. Template metadata will not be available. (This is safe to ignore if you are not working on a…
Le Kim Trang
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Recommended download using google prediction

I run a download portal and basically what I want to do is after a user downloads a file i would like to recommend other related categories. I'm thinking of using google predict to do this but I'm not sure how to structure the training data. I'm…
Patrick
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Issues with manual installation of predictionIO dependencies

I am installing predictionIO from source code. I have downloaded and done the predictionIO installation successfully. I am now trying to install the dependencies (Spark, Elasticsearch, HBase) but I am running into errors for each of them. Below are…
Falconic
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