# Power analysis

> 검정력을 높이기 위해 얼마나 많은 표본이 필요한지 계산하는 방법.

[검정력](https://wiki.g15e.com/pages/Power%20(statistics.txt))을 높이기 위해 얼마나 많은 표본이 필요한지 계산하는 방법.

> A power analysis determins what sample size will ensure a high probability that we correctly reject the [null hypothesis](https://wiki.g15e.com/pages/Null%20hypothesis.txt). … In other words, if we use the sample size recommended by the power analysis, we will know that, regardless of the [p-value](https://wiki.g15e.com/pages/p-value.txt), we used enough data to make a good decision. --[Power Analysis, Clearly Explained!!!](https://www.youtube.com/watch?v=VX_M3tIyiYk&list=PLblh5JKOoLUK0FLuzwntyYI10UQFUhsY9&index=17)

## 계산 방법

<ToDo>: 정리하기

## External links

- [Power Analysis, Clearly Explained!!!](https://www.youtube.com/watch?v=VX_M3tIyiYk&list=PLblh5JKOoLUK0FLuzwntyYI10UQFUhsY9&index=17)