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.
H
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"
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