Re: [R] time series transformation....

Hi Akshay, The forecast package will do the BoxCox transform and automatically backtransform the forecasts. The package also handles xts objects. For example, modifying the example from the help page of forecast::forecast for Arima > dt <- as.Date("2023-01-01") + 1:length(WWWusage) > a <- xts(WWWu

Re: [R] geom_smooth

Colleagues, Your suggestions are elegant and greatly appreciated. Thomas Subia On Friday, August 11, 2023 at 11:08:42 PM PDT, Berwin A Turlach wrote: G'day Thomas, On Sat, 12 Aug 2023 04:17:42 + (UTC) Thomas Subia via R-help wrote: > Here is my reproducible code for a graph u

[R] time series transformation....

dear members, I have a heteroscedastic time series which I want to transform to make it homoscedastic by a box cox transformation. I am using Otexts by RJ hyndman and George Athanopolous as my textbook. They discuss transformation and also say the fpp3 and the fable pack