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January 3, 2016 15:30
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Wyliczanie błędów względnych i bezwzględny dla uBenchmarka.
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<?php | |
// Dane wejściowe (wklej tutaj kolejne) | |
$dane = "0.23110198974609 | |
0.23308801651001 | |
0.23321080207825 | |
0.23291993141174"; | |
// Koszt petli + liczba iteracji | |
$kosztPetli = 0.05070698261261; | |
$liczbaIteracjiPetli = 1000000; | |
$dane = trim($dane); | |
$multiSeries = strpos($dane, "|") !== false; | |
$dane = str_replace("\n", "|", $dane); | |
$parsed = explode("|", $dane); | |
$seria1 = array(); | |
$seria2 = array(); | |
$liczbaPomiarow = 0; | |
$bladSumS1 = 0; | |
$bladSumS2 = 0; | |
foreach ($parsed as $key => $value) { | |
if(false == $multiSeries) { | |
$liczbaPomiarow++; | |
$seria1[] = (floatval(trim($value))-$kosztPetli) / $liczbaIteracjiPetli; | |
} else { | |
if($key % 2 === 0) { | |
$liczbaPomiarow++; | |
$seria1[] = (floatval(trim($value))-$kosztPetli) / $liczbaIteracjiPetli; | |
} else { | |
$seria2[] = (floatval(trim($value))-$kosztPetli) / $liczbaIteracjiPetli; | |
} | |
} | |
} | |
// Na wyjściu sredni czas: | |
$avg1 = (array_sum($seria1) / count($seria1)); | |
$avg2 = @(array_sum($seria2) / count($seria2)); | |
foreach($seria1 as $item) { | |
$bladSumS1+= abs($avg1 - $item); | |
} | |
foreach($seria2 as $item) { | |
$bladSumS2+= abs($avg2 - $item); | |
} | |
$bladBezwzgS1 = ($bladSumS1 / $liczbaPomiarow); | |
$bladWzglednyS1 = round(($bladBezwzgS1/$avg1) * 100, 2); | |
$sigmaS1 = ($bladBezwzgS1/0.8); | |
$bladBezwzgS2 = ($bladSumS2 / $liczbaPomiarow); | |
$bladWzglednyS2 = @round(($bladBezwzgS2/$avg2) * 100, 2); | |
$sigmaS2 = ($bladBezwzgS2/0.8); | |
echo "\n"; | |
echo "--------------\n"; | |
echo "Seria 1\n"; | |
echo "Średnia wartość pomiaru: ".$avg1."\n"; | |
echo "Średni bład bezwzględny: ".$bladBezwzgS1."\n"; | |
echo "Błąd względny: ".$bladWzglednyS1."%\n"; | |
echo "sigma: ".$sigmaS1." 3sig > bladBezwzgS1 = ".(3*$sigmaS1 < $bladBezwzgS1 ? 'odrzucamy' : 'ok')."\n"; | |
echo "\n"; | |
echo "--------------\n"; | |
echo "Seria 2\n"; | |
echo "Średnia wartość pomiaru: ".$avg2."\n"; | |
echo "Średni bład bezwzględny: ".$bladBezwzgS2."\n"; | |
echo "Błąd względny: ".$bladWzglednyS2."%\n"; | |
echo "sigma: ".$sigmaS2." 3sig > bladBezwzgS1 = ".(3*$sigmaS2 < $bladBezwzgS2 ? 'odrzucamy' : 'ok')."\n"; | |
echo "\n"; |
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