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: -0.078; 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 | -0.0032 | 0.533 | 0.0166 | 10 |
| Excluding Books 4 and 8 | -0.0030 | 0.508 | 0.0471 | 8 |
Ridge coefficient: -0.070; 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 | -0.0128 | 0.656 | 0.0045 | 10 |
| Excluding Books 4 and 8 | -0.0124 | 0.627 | 0.0192 | 8 |
Ridge coefficient: 0.067; 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 | 0.0026 | 0.032 | 0.6208 | 10 |
| Excluding Books 4 and 8 | 0.0048 | 0.147 | 0.3489 | 8 |
Ridge coefficient: -0.065; 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 | -0.0138 | 0.323 | 0.0867 | 10 |
| Excluding Books 4 and 8 | -0.0110 | 0.242 | 0.2152 | 8 |
Ridge coefficient: -0.064; 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 | -0.0027 | 0.080 | 0.4273 | 10 |
| Excluding Books 4 and 8 | -0.0045 | 0.237 | 0.2215 | 8 |
Ridge coefficient: -0.063; 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 | 0.0001 | 0.002 | 0.8988 | 10 |
| Excluding Books 4 and 8 | -0.0006 | 0.070 | 0.5278 | 8 |
Ridge coefficient: 0.062; 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 | 0.0059 | 0.158 | 0.2561 | 10 |
| Excluding Books 4 and 8 | 0.0061 | 0.196 | 0.2720 | 8 |
Ridge coefficient: -0.061; 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 | -0.0046 | 0.208 | 0.1851 | 10 |
| Excluding Books 4 and 8 | -0.0068 | 0.449 | 0.0690 | 8 |
Book 1Book 2Book 3Book 4Book 5Book 6Book 7Book 8Book 9Book 10
| Book | n | Mean | Median | Q1 | Q3 | SD |
|---|---|---|---|---|---|---|
| Book 1 | 343 | 18.97 | 17.00 | 12.00 | 24.00 | 9.60 |
| Book 2 | 318 | 18.14 | 17.00 | 12.00 | 22.00 | 8.61 |
| Book 3 | 256 | 19.65 | 17.00 | 12.00 | 24.00 | 10.39 |
| Book 4 | 281 | 20.01 | 18.00 | 12.00 | 26.00 | 10.47 |
| Book 5 | 255 | 20.26 | 18.00 | 13.00 | 25.00 | 10.10 |
| Book 6 | 223 | 19.48 | 17.00 | 13.00 | 24.00 | 9.14 |
| Book 7 | 246 | 20.22 | 19.00 | 13.00 | 25.00 | 9.71 |
| Book 8 | 402 | 19.03 | 17.00 | 12.00 | 23.00 | 9.70 |
| Book 9 | 278 | 17.95 | 17.00 | 12.00 | 23.00 | 8.15 |
| Book 10 | 318 | 20.25 | 18.00 | 13.00 | 25.00 | 10.51 |
| Test | Statistic / slope | p | Interpretation |
|---|---|---|---|
| One-way ANOVA | 2.259 | 0.0162 | Tests equality of mean sentence length across books. |
| Kruskal-Wallis | 14.528 | 0.1048 | Non-parametric test for distribution/median differences across books. |
| Levene | 2.109 | 0.0257 | Tests equality of sentence-length variance across books. |
| Length ~ book, all books | 0.049 | 0.4132 | OLS slope in tokens per book; R2 0.000, n 2,920 sentences. |
| Length ~ book, excluding Books 4 and 8 | 0.082 | 0.1971 | OLS slope in tokens per book; R2 0.001, n 2,237 sentences. |