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: 0.115; 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 | 0.0088 | 0.499 | 0.0225 | 10 |
| Excluding Books 4 and 8 | 0.0084 | 0.582 | 0.0276 | 8 |
Ridge coefficient: 0.111; 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 | 0.0014 | 0.026 | 0.6572 | 10 |
| Excluding Books 4 and 8 | 0.0030 | 0.149 | 0.3457 | 8 |
Ridge coefficient: -0.108; 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 | -0.0127 | 0.425 | 0.0409 | 10 |
| Excluding Books 4 and 8 | -0.0111 | 0.416 | 0.0841 | 8 |
Ridge coefficient: -0.106; 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 | 0.0012 | 0.144 | 0.2799 | 10 |
| Excluding Books 4 and 8 | 0.0006 | 0.135 | 0.3705 | 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 | -0.0102 | 0.801 | 4.66e-04 | 10 |
| Excluding Books 4 and 8 | -0.0095 | 0.786 | 0.0034 | 8 |
Ridge coefficient: 0.085; 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 | 0.0029 | 0.038 | 0.5870 | 10 |
| Excluding Books 4 and 8 | 0.0064 | 0.351 | 0.1219 | 8 |
Ridge coefficient: 0.076; 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 | 0.0035 | 0.309 | 0.0952 | 10 |
| Excluding Books 4 and 8 | 0.0035 | 0.288 | 0.1700 | 8 |
Ridge coefficient: -0.075; 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 | -0.0008 | 0.038 | 0.5914 | 10 |
| Excluding Books 4 and 8 | -0.0000 | 0.000 | 0.9794 | 8 |
Book 1Book 2Book 3Book 4Book 5Book 6Book 7Book 8Book 9Book 10
| Book | n | Mean | Median | Q1 | Q3 | SD |
|---|---|---|---|---|---|---|
| Book 1 | 877 | 19.07 | 17.00 | 12.00 | 24.00 | 9.64 |
| Book 2 | 823 | 18.43 | 17.00 | 12.00 | 23.00 | 9.03 |
| Book 3 | 644 | 18.75 | 16.50 | 12.00 | 23.00 | 9.59 |
| Book 4 | 733 | 20.26 | 18.00 | 12.00 | 26.00 | 10.65 |
| Book 5 | 652 | 19.65 | 18.00 | 13.00 | 25.00 | 9.31 |
| Book 6 | 570 | 19.55 | 18.00 | 13.00 | 24.75 | 9.24 |
| Book 7 | 618 | 21.25 | 19.00 | 13.00 | 27.00 | 10.89 |
| Book 8 | 974 | 19.21 | 17.00 | 12.00 | 24.00 | 9.44 |
| Book 9 | 745 | 18.25 | 17.00 | 12.00 | 23.00 | 8.43 |
| Book 10 | 849 | 19.90 | 18.00 | 13.00 | 25.00 | 10.11 |
| Test | Statistic / slope | p | Interpretation |
|---|---|---|---|
| One-way ANOVA | 6.087 | 1.45e-08 | Tests equality of mean sentence length across books. |
| Kruskal-Wallis | 43.683 | 1.61e-06 | Non-parametric test for distribution/median differences across books. |
| Levene | 5.292 | 3.16e-07 | Tests equality of sentence-length variance across books. |
| Length ~ book, all books | 0.064 | 0.0875 | OLS slope in tokens per book; R2 0.000, n 7,485 sentences. |
| Length ~ book, excluding Books 4 and 8 | 0.094 | 0.0165 | OLS slope in tokens per book; R2 0.001, n 5,778 sentences. |