NO.PZ2023091601000105
问题如下：
Suppose that we have the following data on three features for each
of three banks, A, B, and C:
Scale the features
using normalization and standardization.
解释：
Standardization
involves subtracting the mean of the observations across the three banks and
dividing by their standard deviation separately for each feature. The
normalization involves subtracting the minimum and dividing by the difference
between the maximum and minimum.
As an example,
undertaking the standardization for bank A and the customers feature, the
calculation would be
Similarly, the
normalization calculation for bank A and the customers feature would be
The full set of
standardizations and normalizations is
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