Hi, I have implemented $subject with a simple encoding mechanism [1]. With this feature, now we can run the Iris data-set [2] as it is in WSO2 ML (with decision tree algorithm).
Relevant jira is at [3]. [1] *Encoding*: assigns a distinct numeric value to each possible value of the categorical feature. For example, cloudy may become 1.0, rainy 2.0, and so on. [2] https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.data [3] https://wso2.org/jira/browse/ML-29 -- Thanks & regards, Nirmal Associate Technical Lead - Data Technologies Team, WSO2 Inc. Mobile: +94715779733 Blog: http://nirmalfdo.blogspot.com/
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