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Some common patterns of data frame in Java

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package com.github.chen0040.data.utils.discretizers;


import com.github.chen0040.data.frame.DataFrame;
import com.github.chen0040.data.frame.DataRow;


/**
 * Created by xschen on 18/8/15.
 */
public interface AttributeValueDiscretizer  {
    int discretize(double value, String index);
    DataRow transform(DataRow tuple);
    DataFrame fitAndTransform(DataFrame frame);
}