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: 0.148; 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 | 0.0087 | 0.401 | 0.0494 | 10 |
| Excluding Books 4 and 8 | 0.0085 | 0.519 | 0.0439 | 8 |
Ridge coefficient: -0.112; 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 | -0.0071 | 0.391 | 0.0534 | 10 |
| Excluding Books 4 and 8 | -0.0069 | 0.351 | 0.1217 | 8 |
Ridge coefficient: -0.107; 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 | 0.0005 | 0.031 | 0.6278 | 10 |
| Excluding Books 4 and 8 | -0.0000 | 0.000 | 0.9626 | 8 |
Ridge coefficient: -0.107; 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 | -0.0093 | 0.845 | 1.70e-04 | 10 |
| Excluding Books 4 and 8 | -0.0092 | 0.833 | 0.0016 | 8 |
Ridge coefficient: 0.105; 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 | 0.0018 | 0.055 | 0.5155 | 10 |
| Excluding Books 4 and 8 | 0.0030 | 0.192 | 0.2774 | 8 |
Ridge coefficient: -0.102; 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 | -0.0119 | 0.385 | 0.0556 | 10 |
| Excluding Books 4 and 8 | -0.0102 | 0.393 | 0.0961 | 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 | 0.218 | 0.1736 | 10 |
| Excluding Books 4 and 8 | 0.0052 | 0.412 | 0.0860 | 8 |
Ridge coefficient: -0.094; 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 | 0.002 | 0.8954 | 10 |
| Excluding Books 4 and 8 | 0.0003 | 0.008 | 0.8329 | 8 |
Book 1Book 2Book 3Book 4Book 5Book 6Book 7Book 8Book 9Book 10
| Book | n | Mean | Median | Q1 | Q3 | SD |
|---|---|---|---|---|---|---|
| Book 1 | 1,354 | 19.02 | 17.00 | 12.00 | 24.00 | 9.80 |
| Book 2 | 1,258 | 18.29 | 17.00 | 12.00 | 23.00 | 9.08 |
| Book 3 | 959 | 18.56 | 16.00 | 12.00 | 23.50 | 9.43 |
| Book 4 | 1,070 | 20.21 | 18.00 | 12.00 | 26.00 | 10.48 |
| Book 5 | 944 | 19.73 | 18.00 | 13.00 | 25.00 | 9.64 |
| Book 6 | 879 | 19.44 | 17.00 | 13.00 | 25.00 | 9.47 |
| Book 7 | 930 | 20.53 | 18.50 | 13.00 | 26.00 | 10.24 |
| Book 8 | 1,473 | 19.59 | 18.00 | 13.00 | 24.00 | 9.64 |
| Book 9 | 1,139 | 18.37 | 17.00 | 12.00 | 23.00 | 8.69 |
| Book 10 | 1,296 | 19.86 | 18.00 | 13.00 | 25.00 | 10.01 |
| Test | Statistic / slope | p | Interpretation |
|---|---|---|---|
| One-way ANOVA | 7.055 | 3.04e-10 | Tests equality of mean sentence length across books. |
| Kruskal-Wallis | 58.028 | 3.21e-09 | Non-parametric test for distribution/median differences across books. |
| Levene | 4.488 | 6.62e-06 | Tests equality of sentence-length variance across books. |
| Length ~ book, all books | 0.084 | 0.0053 | OLS slope in tokens per book; R2 0.001, n 11,302 sentences. |
| Length ~ book, excluding Books 4 and 8 | 0.097 | 0.0022 | OLS slope in tokens per book; R2 0.001, n 8,759 sentences. |