Scaling

• scaler

1) Min-max Scaler (최소 최대 변환 / 정규화 Normalization)

$$
X{new} = \frac{X-X{min}}{X{max}-X{min}}
$$

2) Standard Scaler (표준화 Standardization)

$$
X_{new} = \frac{x-\mu}{\sigma}
$$