Microsoft Azure AI Fundamentals AI-900 Practice Question
You have a dataset containing the following columns: 'Age', 'Education Level', 'Years of Experience', and 'Salary'. You plan to build a machine learning model to predict 'Salary' based on the other columns.
In this scenario, which of the following correctly identifies the features and the label in your dataset?
Features: Age, Salary, Education Level, Years of Experience; Label: Salary
Features: Salary; Label: Age, Education Level, Years of Experience
Features: Age, Education Level; Label: Salary, Years of Experience
Features: Age, Education Level, Years of Experience; Label: Salary
Features: Age, Education Level, Years of Experience; Label: Salary - This is the correct answer. In this scenario, the features are the input variables used to predict the target, which is the 'Salary'. So, 'Age', 'Education Level', and 'Years of Experience' are the features, and 'Salary' is the label (the variable you're trying to predict).
Features: Salary; Label: Age, Education Level, Years of Experience - This is incorrect because 'Salary' is the target variable, not a feature used to predict other variables.
Features: Age, Salary, Education Level, Years of Experience; Label: Salary - This is incorrect because 'Salary' is the target variable, and it should not be included as a feature when you're predicting it.
Features: Age, Education Level; Label: Salary, Years of Experience - This is incorrect because 'Salary' is the target variable, and you should not treat multiple columns (like both 'Salary' and 'Years of Experience') as labels.
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What is the difference between features and labels in machine learning?
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Why is 'Salary' considered the label and not a feature in this scenario?
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Can features and labels change depending on the goal of the model?
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Microsoft Azure AI Fundamentals AI-900
Describe Fundamental Principles of Machine Learning on Azure
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