Anpassning av ARIMA-modeller till försäljningsdata
The purpose of this thesis is to display our results received from the assignment GfK addressed to us. GfK is an independent part who aid companies when they need statistical assistance. In order to forecast sales for one of GfK’s customers we have build models with time series analysis. We received 26 products with monthly data from 2005 to 2008. In this thesis we have narrowed it down to six of
