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10:17 Oct 27, 2000
English to Polish translations [Non-PRO] Marketing
English term or phrase:1
Paul: I sometimes sum the error from the actual vs the predicted. The problem with that is it centers it and the error sum is zero, but not minimum so I add the sum of all the absoute values, and try to minimize the error function. If its truely a predictor it should be able to meet chi sq higher than expected frequency of occurance, and I would expect that due to noise and other unexpected factors that sometimes there will be a high error. When predictable then you get a high frequence of accuracy. Have you tested any other methods and determined there performance in the different market types.? Regards, Dan Goe