Update README.md

README.md

@@ -1,3 +1,35 @@
 ---
 license: cc-by-4.0
 ---
+
+Texbooks from openstax.org with their chapters, abstracts and sections.
+
+Stats:
+```python
+def count_sections(chapters):
+    for chapter in chapters:
+        if "sections" in chapter:
+            n_titles = sum(1 for s in chapter["sections"] if s["title"] is not None and s["title"].strip())
+            n_paras = sum(1 for s in chapter["sections"] if s["paragraph"] is not None and s["paragraph"].strip())
+            yield n_titles, n_paras
+        else:
+            yield from count_sections(chapter["chapters"])
+
+with open('openstax_books.jsonl') as fin:
+    total_books = 0
+    total_titles, total_paras = 0, 0
+    for line in fin:
+        book = json.loads(line)
+        if book["language"] != "en":
+            continue
+        total_books += 1
+        for t, p in count_sections(book["chapters"]):
+            total_titles += t
+            total_paras += p
+
+total_books, total_titles, total_paras
+```
+
+```
+(60, 16771, 16165)
+```