21 lines
797 B
Factor
21 lines
797 B
Factor
! Copyright (C) 2012 John Benediktsson
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! See http://factorcode.org/license.txt for BSD license
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USING: kernel math.distances math.functions tools.test ;
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IN: math.distances.tests
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{ 1 } [ "hello" "jello" hamming-distance ] unit-test
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{ 0.0 } [ { 1 2 3 } dup cosine-distance ] unit-test
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{ t } [ { 1 2 3 } { 4 5 6 } cosine-distance 0.02536815380292379 1e-10 ~ ] unit-test
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{ t } [ { 1 2 3 } { 1 -2 3 } cosine-distance 0.5714285714285714 1e-10 ~ ] unit-test
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{ 143/105 } [ { 1 2 3 } { 4 5 6 } canberra-distance ] unit-test
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{ 3/7 } [ { 1 2 3 } { 4 5 6 } bray-curtis-distance ] unit-test
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{ t } [ { 1 2 3 } dup correlation-distance 0.0 1e-10 ~ ] unit-test
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{ t } [ { 1 2 3 } { 1 2 1 } correlation-distance 1.0 1e-10 ~ ] unit-test
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{ t } [ { 1 2 3 } { 3 2 1 } correlation-distance 2.0 1e-10 ~ ] unit-test
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