exponential smoothing

  1. G

    Suggested Forecasting Techniques and execution

    I am doing a research on accident rates (count in relation to total worked hours) in a company and I have the rates for the last 7 years. Each month, the YTD rate is given. I reviewed the process used by the former analyst and I noticed the following: -Since rates are in YTD, no forecasting is...
  2. E

    Timeseries: sig. Ljung-box Q, but residuals normally distributed

    Hi all, Hope someone can help me with the following problem/question I encounter. I'm working with a monthly time-serie consisting of 36 data points (i know 50 is the rule of thumb). Spss expert modeler chose Winter's multiplicative model, which is fine with me because I know how such a...