Ejemplo n.º 1
0
    def test_input_diff_constraint(self):

        # API and Cython object test. Replicates command line:
        # ./MPP -file input.txt -thr 0.001 -att input_att1.txt -lg 20 -ug 1000 -ls 800 - us 3700 -att input_att2.txt -la 20 -ua 80 -lm 30 -um 70 -out -write BMS_patt.txt
        # input on Main.cpp and verifies output with data captured from original implementation
        # Similar to default but all lower constraints lowered by 10 all upper constraints raised 10.
        # Significantly different results to default.

        # Seq2Pat
        patterns_file = self.DATA_DIR + "input.txt"
        sequences = read_data(patterns_file)
        seq2pat = Seq2Pat(sequences)

        # Load Attributes
        attribute_file = self.DATA_DIR + "input_att1.txt"
        attr1_data = read_data(attribute_file)
        att1 = Attribute(attr1_data)

        attribute_file = self.DATA_DIR + "input_att2.txt"
        attr2_data = read_data(attribute_file)
        att2 = Attribute(attr2_data)

        cts1 = seq2pat.add_constraint(20 <= att1.gap() <= 1000)
        cts2 = seq2pat.add_constraint(800 <= att1.span() <= 3700)
        cts3 = seq2pat.add_constraint(20 <= att2.average() <= 80)
        cts4 = seq2pat.add_constraint(30 <= att2.median() <= 70)

        test_patterns = seq2pat.get_patterns(.001)
        results_file = self.DATA_DIR + "diff_constraints_results.txt"
        control_patterns = read_data(results_file)
        sorted_control = sort_pattern(control_patterns)
        self.assertListEqual(sorted_control, test_patterns)
Ejemplo n.º 2
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    def test_input_no_upper_constraint(self):

        # API and Cython object test. Replicates command line:
        # ./MPP -file input.txt -thr 0.01 -att input_att1.txt -lg 30 -ls 900 -att input_att2.txt -la 30 -lm 40 -out -write BMS_patt.txt
        # input on Main.cpp and verifies output with data captured from original implementation
        # Similar to default but no upper constraints imposed

        # Seq2Pat
        patterns_file = self.DATA_DIR + "input.txt"
        sequences = read_data(patterns_file)
        seq2pat = Seq2Pat(sequences)

        # Load Attributes
        attribute_file = self.DATA_DIR + "input_att1.txt"
        attr1_data = read_data(attribute_file)
        att1 = Attribute(attr1_data)

        attribute_file = self.DATA_DIR + "input_att2.txt"
        attr2_data = read_data(attribute_file)
        att2 = Attribute(attr2_data)

        cts1 = seq2pat.add_constraint(30 <= att1.gap())
        cts2 = seq2pat.add_constraint(900 <= att1.span())
        cts3 = seq2pat.add_constraint(30 <= att2.average())
        cts4 = seq2pat.add_constraint(40 <= att2.median())

        test_patterns = seq2pat.get_patterns(.01)
        results_file = self.DATA_DIR + "no_upper_constraint_results.txt"
        control_patterns = read_data(results_file)
        sorted_control = sort_pattern(control_patterns)
        self.assertListEqual(sorted_control, test_patterns)
Ejemplo n.º 3
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    def test_usage(self):

        # Pattern data
        patterns_file = self.DATA_DIR + "input.txt"
        sequences = read_data(patterns_file)
        # print("Patterns: ", sequences[:5])

        # Attribute data
        attribute_file = self.DATA_DIR + "input_att1.txt"
        attribute_1 = read_data(attribute_file)
        # print("Attribute_1: ", attribute_1[:5])

        # Sequential pattern finder
        seq2pat = Seq2Pat(sequences)

        # Constraints on attribute 1
        att1 = Attribute(attribute_1)

        avg_constraint = seq2pat.add_constraint(5 <= att1.average())
        gap_constraint = seq2pat.add_constraint(att1.gap() <= 10)
        median_constraint = seq2pat.add_constraint(10 <= att1.median() <= 15)
        span_constraint = seq2pat.add_constraint(att1.span() <= 20)

        # Print constraint store
        # seq2pat.__str__()

        seq2pat.get_patterns(min_frequency=100)
Ejemplo n.º 4
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    def test_median_inequality(self):

        # List of sequences
        sequences = [[11, 12, 13]]

        # Sequential pattern finder
        seq2pat = Seq2Pat(sequences)

        unconstrained_result = seq2pat.get_patterns(1)

        self.assertListEqual(
            [[12, 13, 1], [11, 13, 1], [11, 12, 1], [11, 12, 13, 1]],
            unconstrained_result)

        # Attributes of sequences min median is 15 for sequence [11, 12],
        # max median is 25 for sequence [12, 13]
        attributes = [[10, 20, 30]]

        att1 = Attribute(attributes)

        # Should be empty upper and lower bounds exceed median between any two events
        gap_constraint = seq2pat.add_constraint(16 <= att1.median() <= 19)
        self.assertListEqual([], seq2pat.get_patterns(1))

        seq2pat.remove_constraint(16 <= att1.median() <= 19)

        # Should include any sequence with median between any two events with a value equal to or greater than 15
        # and equal to or less than 19
        gap_constraint = seq2pat.add_constraint(15 <= att1.median() <= 19)

        self.assertListEqual([[11, 12, 1]], seq2pat.get_patterns(1))

        seq2pat.remove_constraint(15 <= att1.median() <= 19)

        # Should include any sequence with median between any two events with a value equal to or greater than 16
        # and equal to or less than 20
        seq2pat.add_constraint(16 <= att1.median() <= 20)

        self.assertListEqual([[11, 13, 1], [11, 12, 13, 1]],
                             seq2pat.get_patterns(1))

        seq2pat.remove_constraint(16 <= att1.median() <= 20)

        # Equivalent to unconstrained span to get pattern since values of att1 fall between bounds
        seq2pat.add_constraint(15 <= att1.median() <= 25)

        self.assertListEqual(
            [[12, 13, 1], [11, 13, 1], [11, 12, 1], [11, 12, 13, 1]],
            seq2pat.get_patterns(1))
Ejemplo n.º 5
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    def test_usage_lb_ub(self):

        # List of sequences
        sequences = [[1, 2, 3], [4, 5], [1, 3, 6, 7]]

        # Sequential pattern finder
        seq2pat = Seq2Pat(sequences)

        # Attributes of sequences
        attributes = [[10, 20, 30], [40, 50], [10, 30, 60, 70]]

        att1 = Attribute(attributes)
        att2 = Attribute(attributes)

        # Add constraints on the attributes
        gap_constraint = 0 <= att1.gap() <= 10
        seq2pat.add_constraint(gap_constraint)
        avg_constraint = seq2pat.add_constraint(20 <= att1.average() <= 30)
        median_constraint = seq2pat.add_constraint(-1 <= att1.median() <= 1000)
        span_constraint = seq2pat.add_constraint(0 <= att1.span() <= 900)
        span_constraint2 = seq2pat.add_constraint(-10 <= att2.span() <= 5)
        # seq2pat.__str__()

        self.assertEqual(gap_constraint.lower_bound, 0)
        self.assertEqual(avg_constraint.lower_bound, 20)
        self.assertEqual(median_constraint.lower_bound, -1)
        self.assertEqual(span_constraint.lower_bound, 0)
        self.assertEqual(span_constraint2.lower_bound, -10)
        self.assertEqual(gap_constraint.upper_bound, 10)
        self.assertEqual(avg_constraint.upper_bound, 30)
        self.assertEqual(median_constraint.upper_bound, 1000)
        self.assertEqual(span_constraint.upper_bound, 900)
        self.assertEqual(span_constraint2.upper_bound, 5)

        # Remove constraints
        seq2pat.remove_constraint(gap_constraint)
        seq2pat.remove_constraint(avg_constraint)
        seq2pat.remove_constraint(median_constraint)
        seq2pat.remove_constraint(span_constraint)
        # seq2pat.__str__()

        # Add again
        seq2pat.add_constraint(gap_constraint)
        seq2pat.add_constraint(span_constraint)
Ejemplo n.º 6
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    def test_usage_example_median(self):

        # Seq2Pat over 3 sequences
        seq2pat = Seq2Pat(sequences=[["A", "A", "B", "A", "D"],
                                     ["C", "B", "A"], ["C", "A", "C", "D"]])

        # Create price attributes
        price = Attribute(values=[[5, 5, 3, 8, 2], [1, 3, 3], [4, 5, 2, 1]])

        # Create a time attribute
        timestamp = Attribute(
            values=[[1, 1, 2, 3, 3], [3, 8, 9], [2, 5, 5, 7]])

        # Constraint to specify the median of prices in a pattern
        med_constraint = seq2pat.add_constraint(3 <= price.median() <= 4)

        # Find sequences that occur at least twice within median of prices range
        patterns = seq2pat.get_patterns(min_frequency=2)

        # Same solution as CMU commandline tool
        self.assertListEqual([['A', 'D', 2]], patterns)
Ejemplo n.º 7
0
    def test_seq2patfinder_default(self):

        # API and Cython object test.
        # Replicates command line:
        #   > ./MPP.exe
        #       -file input.txt
        #       -thr 0.001
        #       -att input_att1.txt -lg 30 -ug 900 -ls 900 - us 3600
        #       -att input_att2.txt -la 30 -ua 70 -lm 40 -um 60
        #       -out -write BMS_patt.txt
        # input on Main.cpp and verifies output with data captured from original implementation

        # Seq2Pat
        patterns_file = self.DATA_DIR + "input.txt"
        sequences = read_data(patterns_file)
        seq2pat = Seq2Pat(sequences)

        # Load Attributes
        attribute_file = self.DATA_DIR + "input_att1.txt"
        attr1_data = read_data(attribute_file)
        att1 = Attribute(attr1_data)

        attribute_file = self.DATA_DIR + "input_att2.txt"
        attr2_data = read_data(attribute_file)
        att2 = Attribute(attr2_data)

        cts1 = seq2pat.add_constraint(30 <= att1.gap() <= 900)
        cts2 = seq2pat.add_constraint(900 <= att1.span())
        cts3 = seq2pat.add_constraint(30 <= att2.average() <= 70)
        cts4 = seq2pat.add_constraint(40 <= att2.median() <= 60)
        test_pf = seq2pat._get_cython_imp(-1)

        self.assertListEqual([30], test_pf.lgap)
        self.assertListEqual([900], test_pf.ugap)
        self.assertListEqual([30], test_pf.lavr)
        self.assertListEqual([70], test_pf.uavr)
        self.assertListEqual([900], test_pf.lspn)
        self.assertListEqual([], test_pf.uspn)
        self.assertListEqual([40], test_pf.lmed)

        self.assertListEqual([0], test_pf.ugapi)
        self.assertListEqual([0], test_pf.lgapi)
        self.assertListEqual([], test_pf.uspni)
        self.assertListEqual([0], test_pf.lspni)
        self.assertListEqual([1], test_pf.uavri)
        self.assertListEqual([1], test_pf.lavri)
        self.assertListEqual([1], test_pf.umedi)
        self.assertListEqual([1], test_pf.lmedi)

        self.assertListEqual([2, 0], test_pf.num_minmax)
        self.assertListEqual([0, 2], test_pf.num_avr)
        self.assertListEqual([0, 2], test_pf.num_med)
        self.assertListEqual([0], test_pf.tot_gap)
        self.assertListEqual([0], test_pf.tot_spn)
        self.assertListEqual([1], test_pf.tot_avr)

        self.assertEqual(161, test_pf.M)
        self.assertEqual(52619, test_pf.N)
        self.assertEqual(3340, test_pf.L)

        self.assertListEqual([284871, 100], test_pf.max_attrs)
        self.assertListEqual([0, 1], test_pf.min_attrs)

        test_patterns = seq2pat.get_patterns(.001)

        # Consistency sanity check
        dup_patterns = seq2pat.get_patterns(.001)
        self.assertListEqual(test_patterns, dup_patterns)

        results_file = self.DATA_DIR + "default_results.txt"

        control_patterns = read_data(results_file)
        sorted_control = sort_pattern(control_patterns)
        self.assertListEqual(sorted_control, test_patterns)

        # Remove constraint and test
        cts5 = seq2pat.remove_constraint(40 <= att2.median() <= 60)
        ct6 = seq2pat.remove_constraint(30 <= att2.average() <= 70)
        test_pf = seq2pat._get_cython_imp(-1)

        self.assertListEqual([], test_pf.umedi)
        self.assertListEqual([], test_pf.lmedi)
        self.assertListEqual([], test_pf.uavr)
        self.assertListEqual([], test_pf.uavri)
        self.assertListEqual([0], test_pf.num_med)

        one_constraint_result = seq2pat.get_patterns(.001)
        results_file = self.DATA_DIR + "one_constraint_results.txt"
        control_patterns = read_data(results_file)
        sorted_controls = sort_pattern(control_patterns)
        self.assertListEqual(sorted_controls, one_constraint_result)