Java FileWriter Write saveMeasures(String appDirPath, String fileName, double[] measures)

Description

save Measures

License

Apache License

Declaration

public static void saveMeasures(String appDirPath, String fileName, double[] measures) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.BufferedWriter;
import java.io.File;

import java.io.FileWriter;
import java.io.IOException;

import java.io.PrintWriter;

public class Main {
    public static void saveMeasures(String appDirPath, String fileName, double[] measures) {
        String filePath = appDirPath + File.separator + fileName;
        PrintWriter pw = null;//from  w  w w .jav a2s.c  o m
        boolean autoFlush = true;
        try {
            pw = new PrintWriter(new BufferedWriter(new FileWriter(filePath)), autoFlush);
        } catch (IOException e) {
            e.printStackTrace();
            exit(1);
        }
        double RMSE = measures[0];
        double MAP = measures[1];
        double MRR = measures[2];
        double MP10 = measures[3];
        pw.printf("RMSE: %.8g\n", RMSE);
        pw.printf("MAP: %.8g\n", MAP);
        pw.printf("MRR: %.8g\n", MRR);
        pw.printf("MP@10: %.8g\n", MP10);
        pw.close();
    }

    public static void exit(int status) {
        System.exit(status);
    }
}

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5. saveMappingFile(File mappingFile, Map messageMap)
6. saveMetaClassToFile(File baseDir, String clazzDef, String metaPackageName, Class fromClazz)
7. saveMetadata(Map metadata, File file)
8. saveModelInFile(final String model, final String filename)
9. savePValue2File(double[] pValue, String fileName)