auto.arima problem
On 29/05/2012 09:44, Actuarial_Labor wrote:
Dear all,
I would like to ask how my data set contains problems.
Here is what I have done.
SandP = read.csv("Price.csv")
library("forecast")
auto.arima(SandP)
That's a data frame, not (from the help):
x: a univariate time series
and R shewed this to me Error in model.frame.default(formula = x ~ 1, drop.unused.levels = TRUE) : invalid type (list) for variable 'x' In my data set SandP it contains 1 column of the daily index of S&P500, which is a US stock index.
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