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Answers for “如何使用 Min-Max 公式将数据缩放到 0 到 1 的范围?”

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Min-Max normalization is a method that linearly transforms raw data into the interval [0, 1]. The formula is X′=X−min⁡max⁡−min⁡X' = \frac{X - \min}{\max - \min}, where XX is the original value, and min⁡\min and max⁡\max are the minimum and maximum values of that feature column, respectively.

Conditions: The dataset has clear min and max values.; max is not equal to min

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In machine learning, different features may have entirely different magnitudes. Without processing, features with larger magnitudes may dominate the model training process.

Conditions: Suitable for datasets where features differ greatly in units or magnitude

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In machine learning, normalization is used to scale different features to the same scale, preventing features with larger numerical values from dominating model training and thus avoiding inconsistency. If features differ greatly in magnitude, the algorithm may become biased.

Conditions: Suitable for datasets where features differ greatly in units or magnitude