search for: nsdiff

Hi, I am trying to run ADL model by using auto.arima in package "forecast". I put two time series,x and xreg, in the formula, but got message: Error in nsdiffs(xx) : Non seasonal data. Any one can tell how to use it? Thanks Richard *************************************************************************************************** IMPORTANT: * This transmission is intended for the use of the addressee only and might contain sensitive or legally privil...

Hello, I am wondering how I should set up the tsp attribute (available through attr(x, "tsp")) of a dataset x? Let's assume that x has 100 points, and I want to set the frequency to 4. I tried: > attr(x,"tsp")<-c(1,100,4) Error in attr(x, "tsp") <- c(1, 100, 4) : invalid time series parameters specified Is there any other way to set the frequency of