Identification of the Multitrend Evolutional Model of Multiplicative Linear-Exponential Structure
The article presents some variants of a multitrend structure of a model. The lifecycle model based on multiplicative interaction of linear and exponential trends is proposed. Range of the model's applications is described. Methods of the model identification are given. Investigation of their accuracy is examined and the best method is chosen. This method provides R <sup>2</sup> > 0.75 and k <sub>T2</sub> < 20% when K <sub>n/s</sub> = 0-30%.