on the importance of forecasting. The presentation would be done along the following lines. * THE MEANING OF FORECASTING * STEPS USED TO DEVELOP A FORECASTING SYSTEM * QUALITATIVE FORECASTING * QUANTITATIVE FORECASTING * BENEFITS OF FORECASTING THE MEANING OF FORECASTING A planning tool that helps management in its attempts to cope with the uncertainty of the future‚ relying mainly on data from the past and present and analysis of trends. Forecasting entails the use of
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Forecasting Trends in Time Series Author(s): Everette S. Gardner‚ Jr. and Ed. McKenzie Reviewed work(s): Source: Management Science‚ Vol. 31‚ No. 10 (Oct.‚ 1985)‚ pp. 1237-1246 Published by: INFORMS Stable URL: http://www.jstor.org/stable/2631713 . Accessed: 20/12/2012 02:05 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use‚ available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars‚ researchers
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TIME SERIES AND FORECASTING McGrawHill/Irwin Copyright © 2010 by The McGrawHill Companies‚ Inc. All rights reserved. Time Series and its Components TIME SERIES is a collection of data recorded over a period of time (weekly‚ monthly‚ quarterly)‚ an analysis of history‚ that can be used by management to make current decisions and plans based on long-term forecasting. It usually assumes past pattern to continue into the future Components of a Time Series 1. 2. 3. 4. Secular Trend – the smooth
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QUALITATIVE FORECASTING METHODS Qualitative forecasting methods are based on educated opinions of appropriate persons 1. Delphi method: forecast is developed by a panel of experts who anonymously answer a series of questions; responses are fed back to panel members who then may change their original responses a- very time consuming and expensive b- new groupware makes this process much more feasible 2. Market research: panels‚ questionnaires‚ test markets‚ surveys‚ etc. 3. Product life-cycle
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Forecasting Models: Associative and Time Series Forecasting involves using past data to generate a number‚ set of numbers‚ or scenario that corresponds to a future occurrence. It is absolutely essential to short-range and long-range planning. Time Series and Associative models are both quantitative forecast techniques are more objective than qualitative techniques such as the Delphi Technique and market research. Time Series Models Based on the assumption that history will repeat itself‚
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Neurocomputing 55 (2003) 307 – 319 www.elsevier.com/locate/neucom Financial time series forecasting using support vector machines Kyoung-jae Kim∗ Department of Information Systems‚ College of Business Administration‚ Dongguk University‚ 3-26‚ Pil-dong‚ Chung-gu‚ Seoul 100715‚ South Korea Received 28 February 2002; accepted 13 March 2003 Abstract Support vector machines (SVMs) are promising methods for the prediction of ÿnancial timeseries because they use a risk function consisting of the
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Republic of Vardar Revenue forecasts: Expected Tax Collections PAD 505 June 8‚ 2012 Abstract At independence in November 1991‚ the Republic of Vardar (named after the Vardar River Valley) was the least developed of the Yugoslav republics. Although the poorest of the six former Yugoslav republics‚ the country nevertheless can sustain itself in food and energy needs using its own agricultural and coal resources. From 1998 to 2000 real GDP growth averaged a little
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Time Series Models for Forecasting New One-Family Houses Sold in the United States Introduction The economic recession felt in the United States since the collapse of the housing market in 2007 can be seen by various trends in the housing market. This collapse claimed some of the largest financial institutions in the U.S. such as Bear Sterns and Lehman Brothers‚ as they held over-leveraged positions in the mortgage backed securities market. Credit became widely available to unqualified borrowers
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Qualitative Forecasting Approaches Qualitative forecasting methods are based primarily on human judgement. Quantitative forecasting methods are based primarily on the mathematical modelling of historical data. Here we provide a brief overview of the most important qualitative forecasting approaches. In many environments the time horizon is closely linked to the type of forecasting method used. Longer term and higher level forecasting will often require qualitative forecasting techniques. Such techniques
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event will occur in the future. It looks like to me that almost the majority of the people‚ including children‚ once in their life time were a forecasters‚ as sometimes in their past they?ve tried to predict any future event. This act of making such prediction is therefore‚ called forecasting. Forecasts are never finished‚ they are needed continuously and as the time passes‚ their accuracy and their impact on actual performance are meas So it looks like that forecast in itself‚ is not too complicated
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