The log transformation is often used to convert time series that are nonstationary with respect to the innovation variance into stationary time series. The usual approach is to take the log of the ...

The following statements retransform the forecast values to get forecasts in the original scales. See the section "Forecasting Log Transformed Data" earlier in this chapter for more information. data ...

1. Ecological count data (e.g., number of individuals or species) are often log-transformed to satisfy parametric test assumptions.2. Apart from the fact that generalized linear models are better ...