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Question 38 - DSA-C02 discussion

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Which one is not Types of Feature Scaling?

A.
Economy Scaling
Answers
A.
Economy Scaling
B.
Min-Max Scaling
Answers
B.
Min-Max Scaling
C.
Standard Scaling
Answers
C.
Standard Scaling
D.
Robust Scaling
Answers
D.
Robust Scaling
Suggested answer: B

Explanation:

Feature Scaling

Feature Scaling is the process of transforming the features so that they have a similar scale. This is important in machine learning because the scale of the features can affect the performance of the model.

Types of Feature Scaling:

Min-Max Scaling: Rescaling the features to a specific range, such as between 0 and 1, by subtracting the minimum value and dividing by the range.

Standard Scaling: Rescaling the features to have a mean of 0 and a standard deviation of 1 by subtracting the mean and dividing by the standard deviation.

Robust Scaling: Rescaling the features to be robust to outliers by dividing them by the interquartile range.

Benefits of Feature Scaling:

Improves Model Performance: By transforming the features to have a similar scale, the model can learn from all features equally and avoid being dominated by a few large features.

Increases Model Robustness: By transforming the features to be robust to outliers, the model can become more robust to anomalies.

Improves Computational Efficiency: Many machine learning algorithms, such as k-nearest neighbors, are sensitive to the scale of the features and perform better with scaled features.

Improves Model Interpretability: By transforming the features to have a similar scale, it can be easier to understand the model's predictions.

asked 23/09/2024
William Macy
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