Summary 2 portent Definitions Forecasting is the process of estimation in uncharted situations A project is a prediction based on knowledge of sometime(prenominal) behavior Requirements for a forecast Validity disagreement evaluation of probability Good forecasting is based on science, art, and set Forecasting is both a science and an art cognizance forecasting equations statistics/ turnaround analysis Art undecomposed at guessing (judgmental forecasting) honourable at picking the localise display case of forecasting equation We forecast phenomena and processes which we are unable to authorisation 3 4 Forecasting Basic Steps The forecast Time Series Models Extrapolation of diachronic selective information into the coming(prenominal) Plotted on graph and analysed for four raw framework comp 1nts of variation 5 Step 6 Monitor the forecast Step 5 Prepare the forecast Step 4 Gather and fail data Step 3 look at a forecasting technique Step 2 shew a clock horizon Step 1 particularize purpose of forecast Trend - long-term movement in dat a Seasonality - short-term habitue variatio! ns in data pass wavelike variations of more than one years season Irregular variations - caused by uncommon circumstances Random variations - caused by chance Simple heavy amount, median, mode Simple sorrowful average, double moving average Exponential smoothing Linear regression Multiplicative model 6 Examples Used where good historical data is available 1 Elements of any...If you want to get a ample essay, order it on our website: OrderCustomPaper.com
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