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#Java - Code Snippets for '#Org.apache.spark.mllib.fpm.PrefixSpan' - 1 code snippet(s) found

 Sample 1. Code Sample / Example / Snippet of org.apache.spark.mllib.fpm.PrefixSpan

  public static void main(String[] args) {



SparkConf sparkConf = new SparkConf().setAppName("JavaPrefixSpanExample");

JavaSparkContext sc = new JavaSparkContext(sparkConf);



JavaRDD<List<List<Integer>>> sequences = sc.parallelize(Arrays.asList(

Arrays.asList(Arrays.asList(1, 2), Arrays.asList(3)),

Arrays.asList(Arrays.asList(1), Arrays.asList(3, 2), Arrays.asList(1, 2)),

Arrays.asList(Arrays.asList(1, 2), Arrays.asList(5)),

Arrays.asList(Arrays.asList(6))

), 2);

PrefixSpan prefixSpan = new PrefixSpan()

.setMinSupport(0.5)

.setMaxPatternLength(5);

PrefixSpanModel<Integer> model = prefixSpan.run(sequences);

for (PrefixSpan.FreqSequence<Integer> freqSeq: model.freqSequences().toJavaRDD().collect()) {

System.out.println(freqSeq.javaSequence() + ", " + freqSeq.freq());

}

}


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