Learning Path
Question & Answer1
Understand Question2
Review Options3
Learn Explanation4
Explore TopicChoose the Best Answer
A
Assess the input feature distributions
B
Analyze the changes in predictions based on slight variations in input
C
Interpret the sensitivity results in the context of the model's performance
D
Train the predictor model on the data
Understanding the Answer
Let's break down why this is correct
Answer
First, look at the data to see what it contains, its size, and any missing values; this tells you whether the predictor can be used reliably. Next, choose the predictor you want to test and fit a model that uses it, so you have a baseline to compare against. Then, systematically change the predictor’s value or its weight to see how the model’s predictions change, which is the core of sensitivity analysis. After you run those changes, record how much the output shifts; large shifts mean the predictor is very sensitive, while small shifts mean it is robust. Finally, explain what the changes mean for the real world—whether the predictor is trustworthy enough for decisions or if you need to adjust the model.
Detailed Explanation
First, you look at how the data is spread. Other options are incorrect because The mistake is to try sensitivity tests before knowing the data shape; Interpreting results before the model is ready is wrong.
Key Concepts
Sensitivity of Predictors
Predictor Performance Evaluation
Empirical Risk Minimization
Topic
Sensitivity of Predictors
Difficulty
medium level question
Cognitive Level
understand
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