Examples of org.apache.pig.builtin.COR$Initial

org.apache.pig.builtin.COR
Computes the correlation between sets of data. The returned value will be a bag which will contain a tuple for each combination of input schema and inside tuple we will have two schema name and correlation between those two schemas. A = load 'input.xml' using PigStorage(':');
B = group A all;
D = foreach B generate group,COR(A.$0,A.$1,A.$2);

        Tuple ans = (Tuple)it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);
        
        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = (Tuple) it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

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        Tuple ans = (Tuple)it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);
        
        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = (Tuple) it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

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        Tuple ans = (Tuple)it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);
        
        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = (Tuple) it.next();
        assertEquals((String)ans.get(0),"a");
        assertEquals((String)ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

View Full Code Here

        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

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        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

View Full Code Here

        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

View Full Code Here

        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

View Full Code Here

        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

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        Tuple ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(1.11111, (Double)ans.get(2),0.0005);


        COR cor = new COR("a","b");
        dBag = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 1.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 7.0);
        dBag.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 8.0);
        dBag.add(tup1);
        dBag1 = DefaultBagFactory.getInstance().newDefaultBag();
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 3.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 2.0);
        dBag1.add(tup1);
        tup1 = TupleFactory.getInstance().newTuple(1);
        tup1.set(0, 4.0);
        dBag1.add(tup1);
        input = TupleFactory.getInstance().newTuple(2);
        input.set(0, dBag);
        input.set(1, dBag1);
        output = cor.exec(input);
        it = output.iterator();
        ans = it.next();
        assertEquals(ans.get(0),"a");
        assertEquals(ans.get(1),"b");
        assertEquals(0.582222509739582, (Double)ans.get(2) ,0.0005);

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