ELI5: Explain Like I'm 5

Dynamic unobserved effects model

Hi there! So, have you ever played with blocks? Blocks come in all shapes and sizes, and you can stack them up to make all sorts of cool things. Well, imagine that you have a bunch of blocks, but you can't actually see them all at the same time. You can only see one block at a time, and you don't know what the other blocks look like or where they are.

Now, let's say that you're trying to figure out how tall you can make a tower with these blocks. You want to know if the tower will be tall or short, and you want to be able to predict how tall it will be based on the blocks that you have.

This is kind of like the situation that we're in when we're trying to use a dynamic unobserved effects model. We have a bunch of data (or blocks), but we can't actually see all of it at once. Instead, we have to look at the data one piece at a time, and we don't know what the other data points look like.

Basically, a dynamic unobserved effects model is a statistical model that helps us to understand how different factors affect a particular outcome over time. We might be interested in things like how people's income changes over time, or how the weather affects crop yields.

The "dynamic" part of the model means that we're looking at changes over time, and the "unobserved effects" part means that there might be things happening that we can't actually see or measure directly (like the other blocks in our tower).

So, to use this kind of model, we have to make some assumptions about how different factors are affecting our outcome. We might use things like past data, or information about other related variables, to try to predict what is happening now or what might happen in the future.

The important thing to remember is that even though we can't actually see all of the data at once, we can still use advanced statistical techniques to help us make sense of what's happening over time. Just like with our block tower, we can still make predictions and come up with a pretty good idea of what our final outcome might look like.