Why Might a Forecaster Calculate MSE Values on Just the Most

question 108

Multiple Choice

Why might a forecaster calculate MSE values on just the most recent data in the time-series data set?

• A) The forecaster might be interested in how well the forecasting method performs on the more recent data.
• B) Because the most recent data may be a better predictor of future values.
• C) Because the resulting forecasting function might fit the older data better that the more recent data.
• D) All of these.

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Definitions:

Deductive Reasoning

A logical process where a conclusion is based on the concordance of multiple premises that are generally assumed to be true.

Specific Observations

are detailed and focused observations that are made to gather information about a particular, narrowly defined subject or phenomenon.

DNA Molecule

The molecule carrying genetic instructions for the development, functioning, growth, and reproduction of all known living organisms and many viruses.

Nucleotides

The basic building blocks of nucleic acids (DNA and RNA), composed of a sugar, a phosphate group, and a nitrogenous base.