dear useRs (especially andrew and gabor),you have helped me a lot, the ar(1)/ornstein-uhlenbeck type is exactly it (0<a<1 is necessary).
thank you, josuah ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.