From 4754cac40c0ee37d8e03abbc3f9e39823f9a0684 Mon Sep 17 00:00:00 2001
From: Andrew Kane <andrew@ankane.org>
Date: Fri, 31 Mar 2023 18:47:15 -0700
Subject: [PATCH] Updated readme [skip ci]

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 019b9be..b2378d5 100644
--- a/README.md
+++ b/README.md
@@ -78,12 +78,18 @@ SELECT * FROM items WHERE embedding <-> '[3,1,2]' < 5;
 
 Note: Combine with `ORDER BY` and `LIMIT` to use an index
 
-Get the average of vectors
+Average vectors
 
 ```sql
 SELECT AVG(embedding) FROM items;
 ```
 
+Average groups of vectors
+
+```sql
+SELECT category_id, AVG(embedding) FROM items GROUP BY category_id;
+```
+
 ## Indexing
 
 Speed up queries with an approximate index. Add an index for each distance function you want to use.