问题描述
MinMaxScaler和标准缩放器有什么区别。
What is the difference between MinMaxScaler and standard scaler.
MMS = MinMaxScaler(feature_range =(0,1))
(在Program1中使用)
MMS= MinMaxScaler(feature_range = (0, 1))
( Used in Program1)
sc = StandardScaler()
(在另一个程序中,他们使用了Standard scaler和不是minMaxScaler)
sc = StandardScaler()
( In another program they used Standard scaler and not minMaxScaler)
推荐答案
来自:
StandardScaler无法保证在
中存在平衡的特征尺度。
StandardScaler therefore cannot guarantee balanced feature scales in the presence of outliers.
MinMaxScaler
重新缩放数据集,以使所有要素值在
的范围内[0,1],如下右面板所示。但是,这种
缩放比例会将
转换家庭数的所有inlier压缩在狭窄的范围内[0,0.005]。
MinMaxScaler
rescales the data set such that all feature values are in the range [0, 1] as shown in the right panel below. However, this scaling compress all inliers in the narrow range [0, 0.005] for the transformed number of households.
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