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index.html
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From these counts, we derive three rates:
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<ul>
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<li><strong>False Rejection Rate (FRR):</strong>
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(Proportion of correctly pronounced phonemes that were mistakenly flagged as errors.)
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</li>
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<li><strong>False Acceptance Rate (FAR):</strong>
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(Proportion of mispronounced phonemes that were mistakenly classified as correct.)
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</li>
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<li><strong>Diagnostic Error Rate (DER):</strong>
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where DE is the number of misdiagnosed phonemes and CD is the number of correctly diagnosed ones.
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</li>
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</ul>
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In addition to these hierarchical measures, we compute the standard <strong>Precision</strong>, <strong>Recall</strong>, and <strong>F-measure</strong> for mispronunciation detection:
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<ul>
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<li><strong>Precision:</strong>
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(Of all phonemes predicted as mispronounced, how many were actually mispronounced?)
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</li>
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<li><strong>Recall:</strong>
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(Of all truly mispronounced phonemes, how many did we correctly detect?)
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</li>
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<li><strong>
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(Harmonic mean of Precision and Recall.)
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</li>
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</ul>
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</p>
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From these counts, we derive three rates:
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<ul>
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<li><strong>False Rejection Rate (FRR):</strong>
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FRR = FR/(TA + FR)
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(Proportion of correctly pronounced phonemes that were mistakenly flagged as errors.)
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</li>
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<li><strong>False Acceptance Rate (FAR):</strong>
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FAR = FA/(FA + TR)
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(Proportion of mispronounced phonemes that were mistakenly classified as correct.)
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</li>
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<li><strong>Diagnostic Error Rate (DER):</strong>
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DER = DE/(CD + DE)
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where DE is the number of misdiagnosed phonemes and CD is the number of correctly diagnosed ones.
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</li>
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</ul>
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|
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In addition to these hierarchical measures, we compute the standard <strong>Precision</strong>, <strong>Recall</strong>, and <strong>F-measure</strong> for mispronunciation detection:
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<ul>
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<li><strong>Precision:</strong>
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Precision = TR/(TR + FR)
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(Of all phonemes predicted as mispronounced, how many were actually mispronounced?)
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</li>
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<li><strong>Recall:</strong>
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Recall = TR/(TR + FA)
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(Of all truly mispronounced phonemes, how many did we correctly detect?)
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</li>
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<li><strong>F1-score:</strong>
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F1-score = 2 * Precision * Recall / (Precision + Recall)
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</li>
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</ul>
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</p>
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