ELI5: Explain Like I'm 5

Lulu smoothing

Lulu smoothing is a technique used in Mathematics and Statistics to make data easier to understand. Imagine you have a bunch of stickers with different numbers on them, and you want to know which one is the most popular. But, you have so many stickers that it's hard to see which one is the most common.

To solve this problem, you can use Lulu smoothing. You take all the stickers and put them in a pile. Then, you count how many of each sticker you have. If you have more of one sticker than the others, you make a big circle with that sticker, and a smaller circle with the other stickers. That way, the most popular sticker is easy to see because it's in the big circle.

But, what if you have more than one popular sticker? That's where Lulu smoothing comes in. You can take the stickers that are closest in popularity and put them in the same circle. That way, you have fewer circles, but they are still big enough to see which stickers are most popular.

This technique is useful when you have a lot of data and want to make it easier to understand. By using Lulu smoothing, you can see trends and patterns in the data without getting lost in all the numbers.