Package org.apache.mahout.math

Examples of org.apache.mahout.math.Matrix.numCols()

174
175
176
177
178
179
180
181
182
183
184
    }, true, baseTmpDir + "/distMatrix/part-00000", fs, conf);

    DistributedRowMatrix distMatrix = new DistributedRowMatrix(baseTmpDir + "/distMatrix",
                                                               baseTmpDir + "/tmpOut",
                                                               m.numRows(),
                                                               m.numCols());
    distMatrix.configure(new JobConf(conf));

    return distMatrix;
  }
}
View Full Code Here
68
69
70
71
72
73
74
75
76
77
78
    SequenceFileValueIterator<MatrixWritable> it =
        new SequenceFileValueIterator<MatrixWritable>(inputPath, true, new Configuration());
    Matrix m = it.next().get();
    it.close();
    PrintStream ps = getPrintStream(outputFile);
    String[] columnLabels = getLabels(m.numCols(), m.getColumnLabelBindings(), "col");
    String[] rowLabels = getLabels(m.numRows(), m.getRowLabelBindings(), "row");
    if (doLabels) {
      ps.print("rowid,");
      ps.print(columnLabels[0]);
      for(int c = 1; c < m.numCols(); c++) {
View Full Code Here
73
74
75
76
77
78
79
80
81
82
83
    String[] columnLabels = getLabels(m.numCols(), m.getColumnLabelBindings(), "col");
    String[] rowLabels = getLabels(m.numRows(), m.getRowLabelBindings(), "row");
    if (doLabels) {
      ps.print("rowid,");
      ps.print(columnLabels[0]);
      for(int c = 1; c < m.numCols(); c++) {
        ps.print(',' + columnLabels[c]);
      }
      ps.println();
    }
    for(int r = 0; r < m.numRows(); r++) {
View Full Code Here
83
84
85
86
87
88
89
90
91
92
93
    for(int r = 0; r < m.numRows(); r++) {
      if (doLabels) {
        ps.print(rowLabels[0] + ',');
      }
      ps.print(Double.toString(m.getQuick(r,0)));
      for(int c = 1; c < m.numCols(); c++) {
        ps.print(",");
        ps.print(Double.toString(m.getQuick(r,c)));
      }
      ps.println();
    }
View Full Code Here
73
74
75
76
77
78
79
80
81
82
83
        "--tempDir", tmpDir.getAbsolutePath() });

    Matrix similarityMatrix = MathHelper.readMatrix(conf, new Path(outputDir.getAbsolutePath(), "part-r-00000"), 3, 3);

    assertNotNull(similarityMatrix);
    assertEquals(3, similarityMatrix.numCols());
    assertEquals(3, similarityMatrix.numRows());

    assertEquals(1.0, similarityMatrix.get(0, 0), EPSILON);
    assertEquals(1.0, similarityMatrix.get(1, 1), EPSILON);
    assertEquals(1.0, similarityMatrix.get(2, 2), EPSILON);
View Full Code Here
115
116
117
118
119
120
121
122
123
124
125
        "--tempDir", tmpDir.getAbsolutePath() });

    Matrix similarityMatrix = MathHelper.readMatrix(conf, new Path(outputDir.getAbsolutePath(), "part-r-00000"), 3, 3);

    assertNotNull(similarityMatrix);
    assertEquals(3, similarityMatrix.numCols());
    assertEquals(3, similarityMatrix.numRows());

    assertEquals(0.0, similarityMatrix.get(0, 0), EPSILON);
    assertEquals(0.5, similarityMatrix.get(0, 1), EPSILON);
    assertEquals(0.0, similarityMatrix.get(0, 2), EPSILON);
View Full Code Here
160
161
162
163
164
165
166
167
168
169
170
        "--tempDir", tmpDir.getAbsolutePath() });

    Matrix similarityMatrix = MathHelper.readMatrix(conf, new Path(outputDir.getAbsolutePath(), "part-r-00000"), 3, 3);

    assertNotNull(similarityMatrix);
    assertEquals(3, similarityMatrix.numCols());
    assertEquals(3, similarityMatrix.numRows());

    assertEquals(0.0, similarityMatrix.get(0, 0), EPSILON);
    assertEquals(0.5, similarityMatrix.get(0, 1), EPSILON);
    assertEquals(0.0, similarityMatrix.get(0, 2), EPSILON);
View Full Code Here
153
154
155
156
157
158
159
160
161
162
163
    }, true, new Path(baseTmpDirPath, "distMatrix/part-00000"), fs, conf);

    DistributedRowMatrix distMatrix = new DistributedRowMatrix(new Path(baseTmpDirPath, "distMatrix"),
                                                               new Path(baseTmpDirPath, "tmpOut"),
                                                               m.numRows(),
                                                               m.numCols());
    distMatrix.configure(new JobConf(conf));

    return distMatrix;
  }
}
View Full Code Here
267
268
269
270
271
272
273
274
275
276
277
    Matrix similarityMatrix =
      MathHelper.readEntries(fs, conf, new Path(outputDir.getAbsolutePath(), "part-r-00000"), 3, 3);
   
    assertNotNull(similarityMatrix);
    assertEquals(3, similarityMatrix.numCols());
    assertEquals(3, similarityMatrix.numRows());

    assertEquals(1.0, similarityMatrix.get(0, 0), EPSILON);
    assertEquals(1.0, similarityMatrix.get(1, 1), EPSILON);
    assertEquals(1.0, similarityMatrix.get(2, 2), EPSILON);
View Full Code Here
358
359
360
361
362
363
364
365
366
367
368
    Matrix similarityMatrix =
        MathHelper.readEntries(fs, conf, new Path(outputDir.getAbsolutePath(), "part-r-00000"), 3, 3);
   
    assertNotNull(similarityMatrix);
    assertEquals(3, similarityMatrix.numCols());
    assertEquals(3, similarityMatrix.numRows());

    assertEquals(0.0, similarityMatrix.get(0, 0), EPSILON);
    assertEquals(0.5, similarityMatrix.get(0, 1), EPSILON);
    assertEquals(0.0, similarityMatrix.get(0, 2), EPSILON);
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.