Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
Drill, mail # dev - [23/29] DRILL-221, part 3. More license updates. Automatically run Rat plugin with appropriate excludes. Move Synth-log to sandbox until it is part of main mvn build to avoid weird RAT problems.


Copy link to this message
-
[23/29] DRILL-221, part 3. More license updates. Automatically run Rat plugin with appropriate excludes. Move Synth-log to sandbox until it is part of main mvn build to avoid weird RAT problems.
jacques@... 2013-09-11, 02:05
http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/43d71f10/sandbox/synth-log/src/test/java/org/apache/drill/synth/TermGeneratorTest.java
----------------------------------------------------------------------
diff --git a/sandbox/synth-log/src/test/java/org/apache/drill/synth/TermGeneratorTest.java b/sandbox/synth-log/src/test/java/org/apache/drill/synth/TermGeneratorTest.java
new file mode 100644
index 0000000..b983eb2
--- /dev/null
+++ b/sandbox/synth-log/src/test/java/org/apache/drill/synth/TermGeneratorTest.java
@@ -0,0 +1,97 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill.synth;
+
+import com.google.common.base.Function;
+import com.google.common.collect.*;
+import org.apache.commons.math3.distribution.NormalDistribution;
+import org.apache.mahout.math.stats.LogLikelihood;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class TermGeneratorTest {
+
+    private static final WordGenerator WORDS = new WordGenerator("word-frequency-seed", "other-words");
+
+    @Test
+    public void generateTerms() {
+        TermGenerator x = new TermGenerator(WORDS, 1, 0.8);
+        final Multiset<String> counts = HashMultiset.create();
+        for (int i = 0; i < 10000; i++) {
+            counts.add(x.sample());
+        }
+
+        assertEquals(10000, counts.size());
+        assertTrue("Should have some common words", counts.elementSet().size() < 10000);
+        List<Integer> k = Lists.newArrayList(Iterables.transform(counts.elementSet(), new Function<String, Integer>() {
+            public Integer apply(String s) {
+                return counts.count(s);
+            }
+        }));
+//        System.out.printf("%s\n", Ordering.natural().reverse().sortedCopy(k).subList(0, 30));
+//        System.out.printf("%s\n", Iterables.transform(Iterables.filter(counts.elementSet(), new Predicate<String>() {
+//            public boolean apply(String s) {
+//                return counts.count(s) > 100;
+//            }
+//        }), new Function<String, String>() {
+//            public String apply(String s) {
+//                return s + ":" + counts.count(s);
+//            }
+//        }));
+        assertEquals(1, Ordering.natural().leastOf(k, 1).get(0).intValue());
+        assertTrue(Ordering.natural().greatestOf(k, 1).get(0) > 300);
+        assertTrue(counts.count("the") > 300);
+    }
+
+    @Test
+    public void distinctVocabularies() {
+        TermGenerator x1 = new TermGenerator(WORDS, 1, 0.8);
+        final Multiset<String> k1 = HashMultiset.create();
+        for (int i = 0; i < 50000; i++) {
+            k1.add(x1.sample());
+        }
+
+        TermGenerator x2 = new TermGenerator(WORDS, 1, 0.8);
+        final Multiset<String> k2 = HashMultiset.create();
+        for (int i = 0; i < 50000; i++) {
+            k2.add(x2.sample());
+        }
+
+        final NormalDistribution normal = new NormalDistribution();
+        List<Double> scores = Ordering.natural().sortedCopy(Iterables.transform(k1.elementSet(),
+                new Function<String, Double>() {
+                    public Double apply(String s) {
+                        return normal.cumulativeProbability(LogLikelihood.rootLogLikelihoodRatio(k1.count(s), 50000 - k1.count(s), k2.count(s), 50000 - k2.count(s)));
+                    }
+                }));
+        int n = scores.size();
+//        System.out.printf("%.5f, %.5f, %.5f, %.5f, %.5f, %.5f, %.5f", scores.get(0), scores.get((int) (0.05*n)), scores.get(n / 4), scores.get(n / 2), scores.get(3 * n / 4), scores.get((int) (0.95 * n)), scores.get(n - 1));
+        int i = 0;
+        for (Double score : scores) {
+            if (i % 10 == 0) {
+                System.out.printf("%.6f\t%.6f\n", (double) i / n, score);
+            }
+
+            i++;
+        }
+    }
+}

http://git-wip-us.apache.org/repos/asf/incubator-drill/blob/43d71f10/sandbox/synth-log/src/test/java/org/apache/drill/synth/WordGeneratorTest.java
diff --git a/sandbox/synth-log/src/test/java/org/apache/drill/synth/WordGeneratorTest.java b/sandbox/synth-log/src/test/java/org/apache/drill/synth/WordGeneratorTest.java
new file mode 100644
index 0000000..0bfdf06
+++ b/sandbox/synth-log/src/test/java/org/apache/drill/synth/WordGeneratorTest.java
@@ -0,0 +1,39 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.drill.synth;
+