Add a theta join section

(Plus one small edit.) Theta joins are useful for earning premium or assigning claims to policy terms.
PirateGrunt · Aug 29, 2023 · 16e3565 · 16e3565
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commit 16e3565
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/04_combinations_of_data_frames.qmd b/04_combinations_of_data_frames.qmd
@@ -1,15 +1,17 @@
 # Combining data frames
 
-## Inner join
+## Inner joins
 
 ## Outer joins
 
 Also cover semi-joins
 
 ## Anti-joins
 
+## Theta joins
+
 ## Rolling joins
 
 ## Union/binding rows
 
-## Inserting single rows
+## Inserting single rows