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Using Weka in Go

1 May 2015 (1 minute read)

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weka golang machinelearning technology

A couple of years ago I wrote a blog post about wrapping some of Weka’s classification functionality to allow it to be used programmatically in Python programs. A small project I’m currently working on at home is around taking some of the later research from my PhD work to see if it can be expressed and used as a simple web-app.

I began development in Go as I hadn’t yet spent much time working with the language. The research work involves using a Bayesian network classifier to help infer a tweet’s interestingness, and while Go machine-learning toolkits do exist, I wanted to use my existing models that were serialized in Java by Weka.

I started working on WekaGo, which is able to programmatically support simple classification tasks within a Go program. It essentially just manages the model, abstracts the generation of ARFF files, and executes the necessary Java to make it quick and easy to train and classify data:

model := wekago.NewModel("bayes.BayesNet")

Results from the classification can then be examined, as described.

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