P40Machine LearningBeginnerCalculate10 min

Residuals and Model Error

Calculate residuals, absolute errors, and MAE.

#regression#residuals#mae

Scenario

Actual/predicted demand: A 100/90, B 80/92, C 120/110, D 60/65.

Problem statement

Use residual = actual minus predicted.

Your Task

  1. Calculate residuals.
  2. Calculate absolute errors and MAE.
  3. Identify the worst prediction.
  4. Explain signed-error cancellation.

Related Concepts

RegressionMAEPredictions

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