IRAQI JOURNAL OF STATISTICAL SCIENCES

Abstract

In this paper, we study methods to obtain the constant smoothing of exponential smoothing model and suggest another method, to obtain constant smoothing of dependent (two estimation New and old Information) of dependent adaptive filtering ,and applied for time series to National Income overall of the Egypt for (1965-2002) and unsure of use this model to use the measure of (χ2), simulation have been done depending on the parameter of the original series with different numbers.