FORECASTING Flashcards
The process of using historical data to predict future events
Forecasting
Forecasts that use subjective inputs such as opinions from consumer surveys, sales staff,managers, executives, and experts.
Judgemental
uses historical data assuming the future will be like the past (quantitative)
Time Series
uses explanatory variables to predict the future
Associative model
Managers and staff complete a series of questionnaires, each developed from the previous one, to achieve a consensus forecast
delphi method
Opinions of managers and staff
executive opinions
With personal contact with customers
sales force
The opinions of market
Consumer surveys
A time-ordered sequence of observations taken at regular intervals over time
time series forecast
long-term movement in data
trend
short-term regular variations in data
seasonality
caused by unusual circumstances
irregular variations
caused by chance
random variations
*Simple to use
*Virtually no cost
*Easily understandable
*Cannot provide high accuracy
naive forecast
wave like variations lasting more than one year
cycle