Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
feature set
B
loss function
C
evaluation metric
D
activation function
Understanding the Answer
Let's break down why this is correct
Answer
In multi‑class classification the choice of loss function determines what the model actually optimizes. A loss that matches the classification goal—such as cross‑entropy for probability outputs—guides the network toward better class probabilities. If the loss is mismatched, the model may learn patterns that improve training error but hurt real‑world accuracy. For example, using mean squared error on one‑hot labels can lead to slow convergence and poor class discrimination. Therefore, picking the correct loss function is essential for the model to learn what really matters for the task.
Detailed Explanation
The loss function tells the model how far its predictions are from the true labels. Other options are incorrect because People often think that picking the best set of input variables will automatically make the model perform well; Some believe that the metric used to evaluate the model after training will guide the learning process.
Key Concepts
Loss Functions
Classification Evaluation Metrics
Model Performance
Topic
Classification Summary
Difficulty
hard level question
Cognitive Level
understand
Practice Similar Questions
Test your understanding with related questions
1
Question 1Which of the following loss functions are suitable for evaluating the performance of multi-class classification models? Select all that apply.
mediumComputer-science
Practice
2
Question 2When selecting a loss function for a multi-class classification task, which factor is most crucial for ensuring model performance?
easyComputer-science
Practice
3
Question 3When selecting a loss function for a multi-class classification problem, which of the following considerations is most critical for aligning model performance with classification objectives?
mediumComputer-science
Practice
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