Evaluate a Regression Model

Scenario

You have trained a regression model and need to explain whether it is performing well enough to use. The team wants a clear framework for judging model quality beyond a single metric.

Question

How do you evaluate a regression model?

Problem

Scenario

You have trained a regression model and need to explain whether it is performing well enough to use. The team wants a clear framework for judging model quality beyond a single metric.

Question

How do you evaluate a regression model?

What to Look At

Absolute error metrics such as MAE
Squared error metrics such as RMSE
Explained variance such as R-squared
Generalization via cross-validation
Segment-level and outlier performance

Problem

Scenario

You have trained a regression model and need to explain whether it is performing well enough to use. The team wants a clear framework for judging model quality beyond a single metric.

Question

How do you evaluate a regression model?

What to Look At

Absolute error metrics such as MAE
Squared error metrics such as RMSE
Explained variance such as R-squared
Generalization via cross-validation
Segment-level and outlier performance

Problem

Scenario

You have trained a regression model and need to explain whether it is performing well enough to use. The team wants a clear framework for judging model quality beyond a single metric.

Question

How do you evaluate a regression model?

What to Look At

Absolute error metrics such as MAE
Squared error metrics such as RMSE
Explained variance such as R-squared
Generalization via cross-validation
Segment-level and outlier performance

Interview Guides

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Evaluate a Regression Model

Problem

Scenario

Question

What to Look At

Problem

Scenario

Question

What to Look At