Examples of StringRecordIterator

Examples of org.apache.mahout.common.iterator.StringRecordIterator

141
142
143
144
145
146
147
148
149
150
151
152
153
    final Map<Set<String>,Long> seqResult = Maps.newHashMap();
   
    FPGrowthObj<String> fpSeq = new FPGrowthObj<String>();
    fpSeq.generateTopKFrequentPatterns(
      new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

      fpSeq.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
           .openStream()), "\\s+"), minSupport), minSupport, 1000000,
      null,
      new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
        @Override
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
    FPGrowthObj<String> fp = new FPGrowthObj<String>();
   
    String inputFilename = "FPGsynth.dat";
    int minSupport = 50;

    StringRecordIterator it = new StringRecordIterator(new FileLineIterable(Resources.getResource(
                                                                                                  inputFilename).openStream()), "\\s+");
    int patternCnt_10_13_1669 = 0;
    int patternCnt_10_13 = 0;
    while (it.hasNext()) {
      Pair<List<String>,Long> next = it.next();
      List<String> items = next.getFirst();
      if (items.contains("10") && items.contains("13")) {
        patternCnt_10_13++;
        if (items.contains("1669")) {
          patternCnt_10_13_1669++;
        }
      }
    }
   
    if (patternCnt_10_13_1669 < minSupport)
      throw new IllegalStateException("the test is broken or data is missing ("
                                      + patternCnt_10_13_1669+", "
                                      + patternCnt_10_13+")");

    final Map<Set<String>,Long> results = Maps.newHashMap();
   
    Set<String> features_10_13 = new HashSet<String>();
    features_10_13.add("10");
    features_10_13.add("13");

    Set<String> returnableFeatures = new HashSet<String>();
    returnableFeatures.add("10");
    returnableFeatures.add("13");
    returnableFeatures.add("1669");
   
    fp.generateTopKFrequentPatterns(
                                    new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

                                    fp.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
                                                                                                   .openStream()), "\\s+"), minSupport), minSupport, 100000,
                                    returnableFeatures,
                                    new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
                                      @Override
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
    FPGrowth<String> fp1 = new FPGrowth<String>();

    final Map<Set<String>,Long> results1 = Maps.newHashMap();
   
    fp1.generateTopKFrequentPatterns(
                                     new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

                                     fp1.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
                                                                                                     .openStream()), "\\s+"), minSupport), minSupport, 1000000,
                                     returnableFeatures,
                                     new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
                                       @Override
                                         public void collect(String key, List<Pair<List<String>,Long>> value) {
         
                                         for (Pair<List<String>,Long> v : value) {
                                           List<String> l = v.getFirst();
                                           results1.put(new HashSet<String>(l), v.getSecond());
                                           System.out.println("found pat ["+v.getSecond()+"]: "+ v.getFirst());
                                         }
                                       }
       
                                     }, new StatusUpdater() {
       
                                         @Override
                                           public void update(String status) {}
                                       });

    FPGrowthObj<String> fp2 = new FPGrowthObj<String>();
    final Map<Set<String>,Long> initialResults2 = Maps.newHashMap();
    fp2.generateTopKFrequentPatterns(
                                     new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

                                     fp2.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
                                                                                                     .openStream()), "\\s+"), minSupport), minSupport, 1000000,
                                     new HashSet<String>(),
                                     new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
                                       @Override
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
        = new org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPGrowthObj<String>();
      Collection<String> features = new HashSet<String>();

      try {
        fp.generateTopKFrequentPatterns(
                new StringRecordIterator(new FileLineIterable(new File(input), encoding, false), pattern),
                fp.generateFList(
                        new StringRecordIterator(new FileLineIterable(new File(input), encoding, false), pattern),
                        minSupport),
                minSupport,
                maxHeapSize,
                features,
                new StringOutputConverter(new SequenceFileOutputCollector<Text, TopKStringPatterns>(writer)),
                new ContextStatusUpdater(null));
        } finally {
          Closeables.closeQuietly(writer);
        }
    } else {
      FPGrowth<String> fp = new FPGrowth<String>();
      Collection<String> features = new HashSet<String>();
      try {
        fp.generateTopKFrequentPatterns(
                new StringRecordIterator(new FileLineIterable(new File(input), encoding, false), pattern),
                fp.generateFList(
                        new StringRecordIterator(new FileLineIterable(new File(input), encoding, false), pattern),
                        minSupport),
                minSupport,
                maxHeapSize,
                features,
                new StringOutputConverter(new SequenceFileOutputCollector<Text, TopKStringPatterns>(writer)),
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
      try {
        inputStream = fs.open(input);
        inputStreamAgain = fs.open(input);
        fp.generateTopKFrequentPatterns(
                new StringRecordIterator(new FileLineIterable(inputStream, encoding, false), pattern),
                fp.generateFList(
                        new StringRecordIterator(new FileLineIterable(inputStreamAgain, encoding, false), pattern),
                        minSupport),
                minSupport,
                maxHeapSize,
                features,
                new StringOutputConverter(new SequenceFileOutputCollector<Text, TopKStringPatterns>(writer)),
                new ContextStatusUpdater(null));
      } finally {
        Closeables.close(writer, false);
        Closeables.close(inputStream, true);
        Closeables.close(inputStreamAgain, true);
      }
    } else {
      FPGrowth<String> fp = new FPGrowth<String>();


      inputStream = fs.open(input);
      inputStreamAgain = fs.open(input);
      try {
        fp.generateTopKFrequentPatterns(
                new StringRecordIterator(new FileLineIterable(inputStream, encoding, false), pattern),
                fp.generateFList(
                        new StringRecordIterator(new FileLineIterable(inputStreamAgain, encoding, false), pattern),
                        minSupport),
                minSupport,
                maxHeapSize,
                features,
                new StringOutputConverter(new SequenceFileOutputCollector<Text, TopKStringPatterns>(writer)),
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
    File outputDir2 = getTestTempDir("frequentpatterns2");
    paramsImpl2.set(PFPGrowth.OUTPUT, outputDir2.getAbsolutePath());

    Writer writer = Files.newWriter(input, Charsets.UTF_8);
    try {
      StringRecordIterator it = new StringRecordIterator(new FileLineIterable(Resources.getResource(
        "retail.dat").openStream()), "\\s+");
      Collection<List<String>> transactions = Lists.newArrayList();
     
      while (it.hasNext()) {
        Pair<List<String>,Long> next = it.next();
        transactions.add(next.getFirst());
      }
     
      for (List<String> transaction : transactions) {
        String sep = "";
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
  @Test
  public void testSpecificCaseFromRetailDataMinSup500() throws IOException {
    FPGrowthObj<String> fp = new FPGrowthObj<String>();
   
    StringRecordIterator it = new StringRecordIterator(new FileLineIterable(Resources.getResource(
      "retail.dat").openStream()), "\\s+");
    int pattern_41_36_39 = 0;
    while (it.hasNext()) {
      Pair<List<String>,Long> next = it.next();
      List<String> items = next.getFirst();
      if (items.contains("41") && items.contains("36") && items.contains("39")) {
        pattern_41_36_39++;
      }
    }
   
    final Map<Set<String>,Long> results = Maps.newHashMap();
   
    Set<String> returnableFeatures = Sets.newHashSet();
    returnableFeatures.add("41");
    returnableFeatures.add("36");
    returnableFeatures.add("39");
   
    fp.generateTopKFrequentPatterns(
      new StringRecordIterator(new FileLineIterable(Resources.getResource("retail.dat").openStream()), "\\s+"),

      fp.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource("retail.dat")
          .openStream()), "\\s+"), 500), 500, 1000, returnableFeatures,
      new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
        @Override
        public void collect(String key, List<Pair<List<String>,Long>> value) {
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
    File input = new File(inputDir, "synth_test.txt");
    params.set(PFPGrowth.INPUT, input.getAbsolutePath());
    params.set(PFPGrowth.OUTPUT, outputDir.getAbsolutePath());
    Writer writer = Files.newWriter(input, Charsets.UTF_8);
    try {
      StringRecordIterator it = new StringRecordIterator(new FileLineIterable(Resources.getResource(
        "FPGsynth.dat").openStream()), "\\s+");
      Collection<List<String>> transactions = Lists.newArrayList();
     
      while (it.hasNext()) {
        Pair<List<String>,Long> next = it.next();
        transactions.add(next.getFirst());
      }
     
      for (List<String> transaction : transactions) {
        String sep = "";
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

113
114
115
116
117
118
119
120
121
122
123
124
125
    final Map<Set<String>,Long> seqResult = Maps.newHashMap();
   
    FPGrowthObj<String> fpSeq = new FPGrowthObj<String>();
    fpSeq.generateTopKFrequentPatterns(
      new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

      fpSeq.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
           .openStream()), "\\s+"), minSupport), minSupport, 1000000,
      null,
      new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
        @Override
View Full Code Here

Examples of org.apache.mahout.common.iterator.StringRecordIterator

45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
  public void testSpecificCasesFromSynthData() throws IOException {
    FPGrowthObj<String> fp = new FPGrowthObj<String>();
   
    String inputFilename = "FPGsynth.dat";

    StringRecordIterator it =
        new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+");
    int patternCnt_10_13_1669 = 0;
    int patternCnt_10_13 = 0;
    while (it.hasNext()) {
      Pair<List<String>,Long> next = it.next();
      List<String> items = next.getFirst();
      if (items.contains("10") && items.contains("13")) {
        patternCnt_10_13++;
        if (items.contains("1669")) {
          patternCnt_10_13_1669++;
        }
      }
    }

    int minSupport = 50;
    if (patternCnt_10_13_1669 < minSupport) {
      throw new IllegalStateException("the test is broken or data is missing ("
                                          + patternCnt_10_13_1669 + ", "
                                          + patternCnt_10_13 + ')');
    }

    final Map<Set<String>,Long> results = Maps.newHashMap();
   
    Set<String> features_10_13 = Sets.newHashSet();
    features_10_13.add("10");
    features_10_13.add("13");

    Set<String> returnableFeatures = Sets.newHashSet();
    returnableFeatures.add("10");
    returnableFeatures.add("13");
    returnableFeatures.add("1669");
   
    fp.generateTopKFrequentPatterns(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename).openStream()), "\\s+"),

                                    fp.generateFList(new StringRecordIterator(new FileLineIterable(Resources.getResource(inputFilename)
                                                                                                   .openStream()), "\\s+"), minSupport), minSupport, 100000,
                                    returnableFeatures,
                                    new OutputCollector<String,List<Pair<List<String>,Long>>>() {
       
                                      @Override
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.