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testMetrics.hs
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import Control.Monad (unless)
import Test.HUnit
import Metrics
assertAlmostEqual :: String -> Double -> Double -> Double -> Assertion
assertAlmostEqual preface delta expected actual =
unless (abs (expected - actual) < delta) (assertFailure msg)
where msg = (if null preface then "" else preface ++ "\n") ++
"expected: " ++ show expected ++ "\n but got: " ++ show actual
delta = 1**(-10)
infinity = -(log 0) -- should be a better way to do this
testEqual label val1 val2 = TestLabel label (TestCase (assertEqual label val1 val2))
testAlmostEqual label val1 val2 = TestLabel label (TestCase (assertAlmostEqual label delta val1 val2))
aeTests = TestList [ testEqual "ae1" 0.0 (ae 3.4 3.4)
, testAlmostEqual "ae2" 1.0 (ae 3.4 4.4)
, testEqual "ae3" 2 (ae 9 11 )
]
apkTests = TestList [ testEqual "apk1" 0.25 (apk 2 [1..5] [6, 4, 7, 1, 2])
, testEqual "apk2" 0.2 (apk 5 [1..5] [1, 1, 1, 1, 1])
, testEqual "apk3" 1.0 (apk 20 [1..100] ([1..20]++[200..600]))
, testAlmostEqual "apk4" (5/6) (apk 3 [1,3] [1..5])
, testEqual "apk5" (1/3) (apk 3 [1..3] [1,1,1])
, testEqual "apk6" (2/3) (apk 3 [1..3] [1,2,1])
]
aucTests = TestList [ testEqual "auc1" (1/3) (auc [1,0,1,1] [0.32,0.52,0.26,0.86])
, testAlmostEqual "auc2" 1 (auc [1,0,1,0,1] [0.9,0.1,0.8,0.1,0.7])
, testEqual "auc3" (1/4) (auc [0,1,1,0] [0.2,0.1,0.3,0.4])
, testEqual "auc4" 0.5 (auc [1,1,1,1,0,0,0,0,0,0] [1,1,1,1,1,1,1,1,1,1])
]
ceTests = TestList [ testEqual "ce1" 0.0 (ce [1,1,1,0,0,0] [1,1,1,0,0,0])
, testEqual "ce2" (1/6) (ce [1,1,1,0,0,0] [1,1,1,1,0,0])
, testEqual "ce3" (1/4) (ce [1,2,3,4] [1,2,3,3])
, testEqual "ce4" (1/3) (ce ["cat","dog","bird"] ["cat","dog","fish"])
, testEqual "ce5" 1 (ce ["cat","dog","bird"] ["caat","doog","biird"])
]
levenshteinTests = TestList [ testEqual "levenshtein1" 5 (levenshtein "intention" "execution")
, testEqual "levenshtein2" 3 (levenshtein "sitting" "kitten")
, testEqual "levenshtein3" 3 (levenshtein "Saturday" "Sunday")
, testEqual "levenshtein4" 7 (levenshtein "sitting" "")
, testEqual "levenshtein5" 3 (levenshtein "" "Ben")
, testEqual "levenshtein6" 0 (levenshtein "cat" "cat")
, testEqual "levenshtein7" 1 (levenshtein "hat" "cat")
, testEqual "levenshtein8" 1 (levenshtein "at" "cat")
, testEqual "levenshtein9" 1 (levenshtein "" "a")
, testEqual "levenshtein10" 1 (levenshtein "a" "")
, testEqual "levenshtein11" 0 (levenshtein "" "")
, testEqual "levenshtein12" 1 (levenshtein "ant" "aunt")
, testEqual "levenshtein13" 5 (levenshtein "Samantha" "Sam")
, testEqual "levenshtein14" 3 (levenshtein "Flomax" "Volmax")
, testEqual "levenshtein15" 0 (levenshtein [1] [1])
, testEqual "levenshtein16" 1 (levenshtein [1] [1,2])
, testEqual "levenshtein17" 1 (levenshtein [1] [1,10])
, testEqual "levenshtein18" 2 (levenshtein [1,2] [10,20])
, testEqual "levenshtein19" 3 (levenshtein [1,2] [10,20,30])
, testEqual "levenshtein20" 3 (levenshtein [3,3,4] [4,1,4,3])
]
llTests = TestList [ testEqual "ll1" 0.0 (ll 1 1)
, testEqual "ll2" infinity (ll 1 0)
, testEqual "ll3" infinity (ll 0 1)
, testEqual "ll4" (- (log 0.5)) (ll 0 0.5)
]
logLossTests = TestList [ testEqual "logLoss1" 0.0 (logLoss [1, 1, 0, 0] [1, 1, 0, 0])
, testEqual "logLoss2" infinity (logLoss [1, 1, 0, 0] [1, 1, 1, 0])
, testEqual "logLoss3" 1.881797068998267 (logLoss [1, 1, 1, 0, 0, 0] [0.5, 0.1, 0.01, 0.9, 0.75, 0.001])
]
maeTests = TestList [ testEqual "mae1" 1.0 (mae [0..10] [1..11])
, testEqual "mae2" 0.0 (mae [0,0.5..2] [0,0.5..2])
, testEqual "mae3" 0.25 (mae [1,2,3,4] [1,2,3,5])
]
mapkTests = TestList [ testAlmostEqual "mapk1" (5/6) (mapk 10 [[1..5],[1..3]] [[1..10],[1,2]++[4..11]++[3]])
, testEqual "mapk2" 1.0 (mapk 3 [[1..4]] [[1..4]])
, testAlmostEqual "mapk3" 0.685185185185185 (mapk 3 [[1,3,4],[1,2,4],[1,3]] [[1..5],[1..5],[1..5]])
, testEqual "mapk4" 0.26 (mapk 5 [[1..5],[1..5]] [[6,4,7,1,2],[1,1,1,1,1]])
, testAlmostEqual "mapk5" (11/18) (mapk 3 [[1,3],[1..3],[1..3]] [[1..5],[1,1,1],[1,2,1]])
]
mseTests = TestList [ testEqual "mse1" 1.0 (mse [0..10] [1..11])
, testEqual "mse2" 0.0 (mse [0,0.5..2] [0,0.5..2])
, testEqual "mse3" 1.0 (mse [1,2,3,4] [1,2,3,6])
]
msleTests = TestList [ testEqual "msle1" 1.0 (msle [(exp 2)-1] [exp(1)-1])
, testEqual "msle2" 0.0 (msle [0,0.5..2] [0,0.5..2])
, testEqual "msle3" 0.25 (msle [1,2,3,((exp 1)-1)] [1,2,3,((exp 2)-1)])
]
rmseTests = TestList [ testEqual "rmse1" 1.0 (rmse [0..10] [1..11])
, testEqual "rmse2" 0.0 (rmse [0,0.5..2] [0,0.5..2])
, testEqual "rmse3" 0.5 (rmse [1,2,3,4] [1,2,3,5])
]
rmsleTests = TestList [ testEqual "rmsle1" 1.0 (rmsle [(exp 2)-1] [exp(1)-1])
, testEqual "rmsle2" 0.0 (rmsle [0,0.5..2] [0,0.5..2])
, testEqual "rmsle3" 0.5 (rmsle [1,2,3,((exp 1)-1)] [1,2,3,((exp 2)-1)])
]
seTests = TestList [ testEqual "se1" 0.0 (se 3.4 3.4)
, testAlmostEqual "se2" 1.0 (se 3.4 4.4)
, testEqual "se3" 4 (se 9 11 )
]
sleTests = TestList [ testEqual "sle1" 0.0 (sle 3.4 3.4)
, testAlmostEqual "sle2" 1.0 (sle ((exp 2)-1) ((exp 1)-1))
]
allTests = TestList [ aeTests
, apkTests
, aucTests
, ceTests
, levenshteinTests
, llTests
, logLossTests
, maeTests
, mapkTests
, mseTests
, msleTests
, rmseTests
, rmsleTests
, seTests
, sleTests
]
main = runTestTT allTests