Forecasting involves using sample data to predict future movements. Which of the following is correct regarding forecasting?
选项:
A:Forecasts are only possible in the presence of time-series data
B:Forecasts will always improve whenever the number of parameters is increased
C:As the number of variables incorporated in a regression equation is increased, the risk of over-fitting the in-sample data reduces.
D:In-sample forecasting ability is a very poor test of model appropriateness and adequacy
发布时间:2024-03-30 13:04:38