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.

184 questions
1
vote
0 answers

PredictionIO elasticsearch demo causting error

I ran "pio app new tapster" and cannot get past this error. My elasticsearch.yml file appears. My network is correctly set. But, don't know how to get based this. [WARN] [transport] [Portal] node…
1
vote
1 answer

Install SBT without internet connection

I am trying to use prediction.IO in a machine that can't be connected to the internet. When I try to build, it wants to download the dependencies of SBT. I want to know how this can be done manually, and if there is a place from where I can down…
Debasish
  • 113
  • 1
  • 9
1
vote
0 answers

predictionIO UR template pio train throws exception Job aborted due to stage failure

I've started to gather events in the production enviroment. After around 100000 events, I tried to run a pio train. It throws an exception and stops. During the tests the the pio train worked, so I assume the problem is with the events. But the…
1
vote
5 answers

PredictionIO pio status: Zookeeper exists failed

I installed PredictionIO by $ bash -c "$(curl -s https://install.prediction.io/install.sh)" and when I did pio status, it shows the following message: [INFO] [Console$] Inspecting PredictionIO... [INFO] [Console$] PredictionIO 0.9.5 is installed at…
Jia
  • 1,301
  • 1
  • 12
  • 18
1
vote
1 answer

Few primary events with a lots of secondary events

I would like to use universal recommender and in my case I would to use one primary event "like" and a secondary event "view". On my website, "like" event will be send when a user will click on a like button of the UI, whereas the secondary event…
jrweb247
  • 95
  • 1
  • 8
1
vote
1 answer

PredictionIO Engine

Facing the error due to iteration in engine for data due to which stackoverflow exception is coming as follows: ERROR org.apache.spark.executor.Executor [Executor task launch worker-0] - Exception in task 0.0 in stage 30.0 (TID…
ankit dave
  • 111
  • 1
  • 1
  • 9
1
vote
2 answers

Batch import to pio EventServer via REST API

I need import pregenerated CSV/JSON text file as one batch into predictionio eventservet with curl rest api call with post request method. Exists similar operation in pio as bulk in ElasticSearch? How can I find batch format description or more info…
Cumbu
  • 171
  • 1
  • 5
1
vote
2 answers

PredictionIO - getting error when build and run Evaluation metrics

I followed this quickstart: https://docs.prediction.io/templates/classification/quickstart/ and this document for evaluation metrics https://docs.prediction.io/evaluation/paramtuning/ Everything seems ok until the step build and run evaluation…
Le Kim Trang
  • 369
  • 2
  • 5
  • 17
1
vote
3 answers

Scala - how to convert Object to List[Object]

I have an Object testCat having value List(123, 456, 789) and I would like to convert this Object to List[Object] in scala. When I use asInstanceOf, I got the error: DataSource.scala:310: T0 does not take parameters [ERROR] [Console] [error] var…
Le Kim Trang
  • 369
  • 2
  • 5
  • 17
1
vote
1 answer

Prediction.io text classification returns invalid confidence value NaN

When trying to classify some text contents, I often get results similar to this: {"category":"SOME_CATEGORY","confidence":NaN} Except the fact that it is not valid JSON (Nan is not authorized), I don't understand what is happening. If necessary I…
clemp6r
  • 3,665
  • 2
  • 26
  • 31
1
vote
1 answer

How to run predictionio engine as a service

I Have successfully implemented predictionIO engine templates. I can deploy an engine with $pio deploy -- --driver-memory xG But How can I run recommendation (or any other) engine as a service? I want to log all entries to a file specified for…
cutteeth
  • 2,148
  • 3
  • 25
  • 45
1
vote
2 answers

PredictionIO evaluation in classifier

Has someone achieved to make an evaluation correctly using PredictionIO? I am using the classification template in a server, but using more attributes, it is trained with a dataset I got and makes predictions well. However, it fails doing the…
Leandro Latorre
  • 161
  • 1
  • 1
  • 6
1
vote
1 answer

Predict text fields based on text fields

I am working on machine learning and prediction for about a month. I have tried IBM watson with bluemix, Amazon machine learning, and predictionIO. What I want to do is to predict a text field based on other fields. My CSV file have four text fields…
cutteeth
  • 2,148
  • 3
  • 25
  • 45
1
vote
2 answers

PredictionIO for Content Recommendation e.g. Tweets

I recently installed PredictionIO. What I'd like to achieve is: I'd like to categorize content on the words included in the text. But how can I import data like raw Tweets to PredictionIO? Is it possible to let PredictionIO run over the content and…
Sudo2025
  • 21
  • 2
1
vote
1 answer

How to intergate PredictionIO with many website?

I am using PredictionIO to built recommendation system, marchine learning with this template: https://templates.prediction.io/PredictionIO/template-scala-parallel-ecommercerecommendation For each website, i create a PredictionIO app with a…
Nghia Vu
  • 21
  • 1