Model selection

Why do we sometimes choose simpler explanations over complex ones?

Image: Fgpacini, CC BY-SA 4.0, via Wikimedia Commons

Model selection

Why do we sometimes choose simpler explanations over complex ones?

Imagine you're trying to figure out why your plants are wilting. You have a bunch of possible reasons like too much sun, not enough water, or pests.

You want to find the most likely reason without getting overwhelmed by too many possibilities. It's like picking the simplest explanation that still fits all the clues.

Example

If you notice both your sun-loving flowers and shade-preferring plants are wilting, you might guess it's not just too much sun but possibly not enough water.

Remember this

The idea is to use a simpler explanation that captures all the important clues, known as a "sufficient statistic."

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