> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of warthog29 > Sent: Tuesday, August 12, 2008 3:40 PM > To: r-help@r-project.org > Subject: [R] arima forecast function > > > hi: > > I am trying to fit prediction intervals for an arima object. > My search led > me to the link: > > http://finzi.psych.upenn.edu/R/library/forecast/html/forecast. > Arima.html > > which has the function "forecast", as I wanted. However, when > I try to run > it in R, I get the message: > > Error in plot(forecast(fit)) : could not find function "forecast" > > Even the example provided on the page (having corrected the > function "Arima" > to "arima") does not seem to work. > What's going on? Does the function "forecast" to an older > version of R? Can > somebody please explain? > --
Have you installed the forecast package on your system? If you have, did you load the package? library(forecast) Hope this is helpful, Dan Daniel J. Nordlund Washington State Department of Social and Health Services Planning, Performance, and Accountability Research and Data Analysis Division Olympia, WA 98504-5204 ______________________________________________ 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.