Example usage for weka.core.converters CSVSaver setDestination

Introduction

In this page you can find the example usage for weka.core.converters CSVSaver setDestination.

Prototype

@Override
public void setDestination(File file) throws IOException 

Source Link

Document

Sets the destination file (and directories if necessary).

Usage

From source file:com.kdcloud.engine.embedded.node.ConsoleOutput.java

License:Open Source License

@Override
public void run() throws Exception {
    CSVSaver saver = new CSVSaver();
    saver.setInstances(input.getInstances());
    saver.setDestination(System.out);
    saver.writeBatch();/*w  ww.  j av a  2 s  .c o  m*/
}

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From source file:org.tigr.microarray.mev.cluster.gui.impl.bn.WekaUtil.java

License:Open Source License

/**
* The <code>writeDataToCSVFile</code> method is given a WEKA Instances object and the name of the output file name
* and writes the given WEKA data to the output file in CSV format.
* @param data an <code>Instances</code> corresponding to a WEKA Instances object containing data
* @param csvFileName a <code>String</code> denoting the name of the file where the given data
* will be written in CSV format.//  w  w  w  . java2 s. c  om
* In this application, with GenBank accessions (GB) in the X dimension and samples in the Y dimension
* <br>
* The format of the given gene expression matrix data file should be:
* <br>
* CLASS\tGB_1\tGB_2\t...\tGB_n
* <br>
* sample_1\texpr_1_1\texpr_2_1\t...\texpr_n_1
* <br>
* ...
* <br>
* sample_n\texpr_1_n\texpr_2_n\t...\texpr_n_n
* <br>
* where expr_i_j means expression of gene i in sample j 
* <br>
*
* @exception NullArgumentException if an error occurs because the given data is null.
*/
public static void writeDataToCSVFile(Instances data, String csvFileName) throws NullArgumentException {
    if (data == null) {
        throw new NullArgumentException("Parameter data passed to writeDataToCSVFile method was null!");
    }
    try {
        CSVSaver saver = new CSVSaver();
        saver.setInstances(data);
        saver.setFile(new File(csvFileName));
        saver.setDestination(new File(csvFileName));
        saver.writeBatch();
    } catch (IOException ioe) {
        System.out.println(ioe);
    }
}

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