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.

---

Definitions:

Anaphase

Stage of mitosis in which the chromosomes move to opposite poles of the cell; anaphase occurs after metaphase and before telophase.

Centromere

A specialized constricted region of a chromatid; contains the kinetochore. In cells at prophase and metaphase, sister chromatids are joined in the vicinity of their centromeres.

Nucleosomes

Structural units of a chromosome, consisting of a segment of DNA wound around a core of histone proteins.

Histone Proteins

Proteins found in the nucleus of eukaryotic cells that package and order the DNA into structural units called nucleosomes.