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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Using Text for Prediction
verfasst von : Sholom M. Weiss, Nitin Indurkhya, Tong Zhang, Fred J. Damerau
Erschienen in: Text Mining
Verlag: Springer New York
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The words
prediction
and
forecast
conjure up images of momentous decisions and complex processes fraught with inaccuracies. From a statistical perspective, it’s a straightforward problem that has a solution. Of course, the solution may not always be very good. The problem presents itself as in Figure 3.1. Given a sample of examples of past experience, we project to new examples. If the future is similar to the past, we may have an opportunity to make accurate predictions. An example of such a situation is where one tries to predict the future share price of a company based on historical records of the company’s share price and other measures of its performance. Figure 3.1.
Figure 3.1.
Predicting the Future Based on the Past