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Capstone: Do the Metrics Agree with People? Rank Correlation, Pearson & a System Comparison

Lesson 8 of 820 minLab

This lesson is part of the course

In this lesson

You check ten scored outputs against two raters: rank agreement with RANK.EQ and 1 − 6·Σd²/(n(n² − 1)), Pearson correlation with SUMPRODUCT, a per-system comparison with AVERAGEIFS and a scatter chart of metric against rating.

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Lessons in this course

  1. Tokens as Rows: Unigram Counts, Matches, Precision & RecallLab14 min Locked
  2. N-Gram Precision with Clipping: Bigrams, Trigrams & Several ReferencesLab16 min Locked
  3. BLEU by Hand: Geometric Mean, Add-One Smoothing, Brevity Penalty & Corpus LevelLab17 min Locked
  4. ROUGE-1 & ROUGE-2: Recall, Precision & F1 against Several ReferencesLab16 min Locked
  5. ROUGE-L: Longest Common Subsequence, Recall, Precision & the F-Measure with βLab16 min Locked
  6. Question-Answer Scores: Exact Match, Token F1 & Partial CreditLab15 min Locked
  7. Length & Paraphrase Effects: Short Outputs, Same Meaning in Other Words & Character N-GramsLab16 min Locked
  8. Capstone: Do the Metrics Agree with People? Rank Correlation, Pearson & a System ComparisonLab20 min Locked