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R package Forecast
2 messages · nejc bergant, Dennis Murphy
Hi: Your object b is a 5 x 12 matrix. The error message says that ets() is expecting a univariate time series as its first argument. Try something like d <- ts(a[, 3], start = c(2005, 1), frequency = 12) fit <- ets(d) and see if that works. Untested since no reproducible example was provided. HTH, Dennis
On Wed, Jun 29, 2011 at 6:15 AM, nejc bergant <nbergant at gmail.com> wrote:
Hello all
First of all I must emphasize that I am fascinated about Forecast package.
However I have difficulty to execute 'ets' procedure. After I write code:
a<-read.table("test.txt", sep="\t", head=T)
b<-matrix(a[,3], nrow=5, ncol=12,
dimnames=list(c("2005","2006","2007","2008","2009"),
c("jan","feb","mar","apr","may","jun","jul","aug","sep","oct","nov","dec")
))
fit<-ets(b)
plot(forecast(fit))
I get this error note: *'Error in ets(b) : y should be a univariate time
series'*.
Could you please be so kind as to let me know what could be the problem.
File 'Test.txt' is database which includes three variables: year, month and
dependent variable.
I am looking forward to hearing from you.
Kind regards, Nejc.
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