Book-level morphosyntax trends and sentence-length diagnostics
This page expands the top excluding Books 4 and 8 morphosyntax regression coefficients into direct book-by-book prevalence checks. Each point is a book-level proportion of grammar-parsed sentences containing the feature at least once.
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Ridge coefficient: 0.127; direction in the model: later_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | 0.0097 | 0.419 | 0.0430 | 10 |
| Excluding Books 4 and 8 | 0.0091 | 0.577 | 0.0288 | 8 |
Ridge coefficient: -0.098; direction in the model: earlier_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | -0.0031 | 0.313 | 0.0925 | 10 |
| Excluding Books 4 and 8 | -0.0028 | 0.257 | 0.1993 | 8 |
Ridge coefficient: 0.098; direction in the model: later_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | 0.0004 | 0.004 | 0.8695 | 10 |
| Excluding Books 4 and 8 | 0.0019 | 0.112 | 0.4174 | 8 |
Ridge coefficient: 0.094; direction in the model: later_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | 0.0039 | 0.367 | 0.0633 | 10 |
| Excluding Books 4 and 8 | 0.0047 | 0.678 | 0.0120 | 8 |
Ridge coefficient: -0.090; direction in the model: earlier_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | -0.0107 | 0.716 | 0.0020 | 10 |
| Excluding Books 4 and 8 | -0.0114 | 0.770 | 0.0042 | 8 |
Ridge coefficient: 0.086; direction in the model: later_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | 0.0011 | 0.151 | 0.2677 | 10 |
| Excluding Books 4 and 8 | 0.0015 | 0.272 | 0.1847 | 8 |
Ridge coefficient: -0.086; direction in the model: earlier_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | -0.0003 | 0.006 | 0.8383 | 10 |
| Excluding Books 4 and 8 | -0.0003 | 0.014 | 0.7794 | 8 |
Ridge coefficient: 0.084; direction in the model: later_books.
Other books Book 4 Book 8 solid all-books regression dashed excluding Books 4 and 8
| Fit | Slope per book | R2 | p | n books |
|---|---|---|---|---|
| All books | 0.0016 | 0.104 | 0.3629 | 10 |
| Excluding Books 4 and 8 | 0.0026 | 0.308 | 0.1534 | 8 |
Book 1Book 2Book 3Book 4Book 5Book 6Book 7Book 8Book 9Book 10
| Book | n | Mean | Median | Q1 | Q3 | SD |
|---|---|---|---|---|---|---|
| Book 1 | 993 | 19.01 | 17.00 | 12.00 | 24.00 | 9.98 |
| Book 2 | 895 | 18.23 | 17.00 | 12.00 | 23.00 | 8.93 |
| Book 3 | 681 | 18.48 | 16.00 | 12.00 | 24.00 | 9.35 |
| Book 4 | 766 | 20.26 | 18.00 | 12.00 | 26.00 | 10.70 |
| Book 5 | 667 | 19.52 | 18.00 | 12.50 | 24.50 | 9.61 |
| Book 6 | 600 | 18.95 | 17.00 | 13.00 | 24.00 | 8.83 |
| Book 7 | 673 | 20.48 | 19.00 | 13.00 | 26.00 | 10.14 |
| Book 8 | 1,018 | 19.26 | 18.00 | 12.00 | 24.00 | 9.47 |
| Book 9 | 811 | 18.52 | 17.00 | 12.00 | 23.00 | 8.87 |
| Book 10 | 925 | 19.82 | 18.00 | 13.00 | 25.00 | 9.76 |
| Test | Statistic / slope | p | Interpretation |
|---|---|---|---|
| One-way ANOVA | 4.863 | 1.62e-06 | Tests equality of mean sentence length across books. |
| Kruskal-Wallis | 38.076 | 1.69e-05 | Non-parametric test for distribution/median differences across books. |
| Levene | 4.340 | 1.16e-05 | Tests equality of sentence-length variance across books. |
| Length ~ book, all books | 0.078 | 0.0272 | OLS slope in tokens per book; R2 0.001, n 8,029 sentences. |
| Length ~ book, excluding Books 4 and 8 | 0.103 | 0.0056 | OLS slope in tokens per book; R2 0.001, n 6,245 sentences. |