Re: [R] ARMAX model fitting with arima

2009-11-17 Thread Rafael Laboissiere
tt.edu/stoffer/tsa2/Rissues.htm Cheers, Rafael * Rafael Laboissiere [2009-11-16 08:44]: > I am trying to understand how to fit an ARMAX model with the arima > function from the stats package. I tried the simple data below, where > the time series (vector x) is generated by filtering a

[R] ARMAX model fitting with arima

2009-11-15 Thread Rafael Laboissiere
h (x) - 1)] + u [2 : length (u)] - 1) Coefficients: x[1:(length(x) - 1)]u[2:length(u)] 0.79890.3015 Any help will be appreciated. Best, -- Rafael Laboissiere __ R-help@r-pro

Re: [R] Arbirtrary column names with write.csv

2009-03-03 Thread Rafael Laboissiere
* Uwe Ligges [2009-03-03 15:27]: > Rafael Laboissiere wrote: >> Is there a way to prevent write.csv to transform the column names a la >> make.names? I mean, if I write the code: >> >> x <- structure (NULL) >> x [["a+b"]] <- c (1,2)

[R] Arbirtrary column names with write.csv

2009-03-03 Thread Rafael Laboissiere
but I want: a+b 1 2 Any suggestions? Cheers, -- Rafael Laboissiere __ 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 commente