Most voted "weka" questions
Weka (Waikato Environment for Knowledge Analysis) is an opensource tool that contains a library of machine learning algorithms written in JAVA.
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7
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answers367
viewsMining Text with Weka
I would like to know how to create a file .arff executable to use in Weka. I remember that I am mining texts. My file is showing errors and I am unable to generate results. Below is a piece of the…
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answers2008
viewsHow to pre-process a text for the application in the Weka classification algorithms in Java?
I am doing my TCC where the idea, roughly, part of the collection of tweets and a training of an algorithm machine Learning to classify this data. How I would pre-process this tweet, and the idea…
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answers289
viewsWeka not recognizing attribute in "date" format
I have a treatment and testing suite that I created with a Java program. In the headline, it’s like this: *@attribute data date "yyyy-MM-dd"* And among other attributes. An example of a data line…
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answers52
viewsDiscovery of classes for new entries from a training already carried out
Once Weka has been trained, using J48 for classification, e.g., how from there (steps to be taken), to apply the trained model on new input data, so that the classes of these inputs are generated by…
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answers71
viewsHow the Ranker ranking algorithm works combined with Weka’s Information Gain
As I said in the title, I would like to know how they work together and what steps they follow if possible. Both are used together in Weka to generate a ranking of attributes in any database.
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answer41
viewsNeural Networks - Weka - What is the Threshold parameter?
When creating a predictive data model using neural network in Weka what the Threshold means and how this parameter influences the calculations of the predicted value?
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answer56
viewsArgument when initializing Weka
In the Download page of Weka there is a recommendation to initialize the. weka jar file with the following argument -Xmx1000M. But I don’t understand what the argument will change the moment Weka is…
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answer128
viewsProblem with a stopwords list in Weka
Hello, I have a problem which is as follows: I’m trying to apply a custom stopword list to a Weka filter and it’s giving me the following error: The list is a txt file I got from this site:…
wekaasked 7 years, 3 months ago Thyago Oliveira Pereira 49 -
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answer335
viewsRNA training phase - Artificial Neural Network in Weka
I am developing software that enables users to create new Rnas. When creating a new Multilayerperceptron RNA in Weka, the testing phase is already performed by lib routines or it is necessary to…
wekaasked 6 years, 7 months ago Billly Jow 193