Below are the solutions to these exercises on Merging Dataframes.

**What's next:**

- Explore all our (>1000) R exercises
- Find an R course using our R Course Finder directory
- Subscribe to receive weekly updates and bonus sets by email
- Share with your friends and colleagues using the buttons below

Bianca says

the solution to exercise 10 is incomplete?

Lucas says

I did

x <- rbind(buildings, buildings2)

allBuildings <- merge (x, buildings3, all.x=TRUE, all.y=TRUE )

And works fine

Carlos says

Great exercises. Thank you