Code Duplication    Length = 8-8 lines in 2 locations

src/Regression/LogarithmicRegression.php 1 location

@@ 35-42 (lines=8) @@
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        $k = 0;
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        foreach ($this->sourceSequence as $k => $v) {
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            if ($v[1] !== null) {
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                $this->sumIndex[0] += \log($v[0]);
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                $this->sumIndex[1] += $v[1] * \log($v[0]);
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                $this->sumIndex[2] += $v[1];
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                $this->sumIndex[3] += \pow(\log($v[0]), 2);
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            }
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        }
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        ++$k;
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src/Regression/PowerRegression.php 1 location

@@ 37-44 (lines=8) @@
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        $k = 0;
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        foreach ($this->sourceSequence as $k => $v) {
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            if ($v[1] !== null) {
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                $this->sumIndex[0] += \log($v[0]);
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                $this->sumIndex[1] += \log($v[0]) * log($v[1]);
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                $this->sumIndex[2] += \log($v[1]);
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                $this->sumIndex[3] += \pow(\log($v[0]), 2);
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            }
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        }
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        ++$k;
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