The Mean Absolute Error, Mean Squared Error, and Mean Absolute

question 31

Multiple Choice

The mean absolute error, mean squared error, and mean absolute percentage error are all methods to measure the accuracy of a forecast. These methods measure forecast accuracy by

• A)determining how well a particular forecasting method is able to reproduce the time series data that are already available.
• B)using the current value to estimate how well the model generates previous values correctly.
• C)predicting the future values and wait for a pre-defined time period to examine how accurate the predictions were.
• D)adjusting the scale of the data.

---

Definitions:

Olfaction

The sense of smell, a chemical sensing system detecting odors or scents, crucial for taste perception and hazard detection.

Electromagnetic Receptors

Sensory receptors in certain organisms that can detect electromagnetic fields, facilitating navigation, prey location, or communication.

Migrating

The process of moving from one region or habitat to another, often seasonally, as seen in many animal species.

Electromagnetic

Pertaining to or emanating from the interaction of electric and magnetic fields, referring to the full spectrum of waves from radio to gamma rays.