[R] background color

hi, I want to add different colors on the background of a classical plot. Each color is associated to an interval of the x axis. example: the background is red on the interval [1,10], blue on [11,20]. I try the rect function but it isn't appropriate for the background. Can any one can

[R] SARIMA with dynlm

Does anyone have an exemple of how to fit a SARIMA model , with a MA part, with the package dynlm? Best regards. - [[alternative HTML version deleted]] __ R-help@stat.math.ethz.ch mailing

[R] arima function

I want to modify the arima function. Can anyone can tell me what are the objects: R_ARIMA_transPars,R_ARIMA_Like, R_ARIMA_Invtrans, R_ARIMA_undoPars...? Thanks. best regards. YG - [[alternative HTML version deleted]]

[R] SARIMA problem

Hi, I have a problem with the ARIMA function, occuring when I set the parameter per (the period of SARIMA model) to a high value (see the exemple bellow). It seems that when per is high it takes a too large amount of memory to calculate the model and I have a memory storage error. But I