public static void main(String[] args) throws IOException { FeatureVectorEncoder[] encoder = new FeatureVectorEncoder[FIELDS]; for (int i = 0; i < FIELDS; i++) { encoder[i] = new ConstantValueEncoder("v" + i); } long t0 = System.currentTimeMillis(); Vector v = new DenseVector(1000); BufferedReader in = new BufferedReader(new FileReader(args[1])); String line = in.readLine(); while (line != null) { v.assign(0); Line x = new Line(line); for (int i = 0; i < FIELDS; i++) { encoder[i].addToVector((byte[]) null, x.getDouble(i), v); } line = in.readLine(); } System.out.printf("\nElapsed time = %.3f s\n", (System.currentTimeMillis() - t0) / 1000.0); }
public static void main(String[] args) throws IOException { FeatureVectorEncoder[] encoder = new FeatureVectorEncoder[FIELDS]; for (int i = 0; i < FIELDS; i++) { encoder[i] = new ConstantValueEncoder("v" + i); } long t0 = System.currentTimeMillis(); Vector v = new DenseVector(1000); ByteBuffer buf = ByteBuffer.wrap(FileUtils .readFileToByteArray(new File(args[1]))); FastLine line = FastLine.read(buf); while (line != null) { v.assign(0); for (int i = 0; i < FIELDS; i++) { encoder[i].addToVector((byte[]) null, line.getDouble(i), v); } line = FastLine.read(buf); } System.out.printf("\nElapsed time = %.3f s\n", (System.currentTimeMillis() - t0) / 1000.0); }
encoder.setProbes(2); encoder.setTraceDictionary(traceDictionary); FeatureVectorEncoder bias = new ConstantValueEncoder("Intercept"); bias.setTraceDictionary(traceDictionary); FeatureVectorEncoder lines = new ConstantValueEncoder("Lines"); lines.setTraceDictionary(traceDictionary); Dictionary newsGroups = new Dictionary();
@Test public void testAsString() { FeatureVectorEncoder enc = new ConstantValueEncoder("foo"); assertEquals("foo", enc.asString("123")); }
@Test public void testAddToVector() { FeatureVectorEncoder enc = new ConstantValueEncoder("foo"); Vector v1 = new DenseVector(20); enc.addToVector((byte[]) null, -123, v1);