[Rd] arima with multiplicative season

2010-01-22 Thread stephenb
To: developers working on arima is there a relatively easy way to achieve true multiplicative seasonal effect and does multiplicative SMA make sense? some books refer to the seasonal arima as multiplicative, because of the multiplicative effect wrt to the ARMA spec: (1-Bs)(1-aB)y = (1+bB)e how

[Rd] dll problem

2008-07-14 Thread stephenb
I am trying to load a dll compiled with the latest cygwin into R 2.7.0 R version 2.7.0 (2008-04-22) Copyright (C) 2008 The R Foundation for Statistical Computing ISBN 3-900051-07-0 I have: Sys.getenv("Path")