x is a data frame, since that is what read.table reads.
bds.test is expecting (from the help file)
x: a numeric vector or time series.
so you probably want to pass x[[1]].
On Thu, 18 May 2006, karim99.karim wrote:
Dear Sir,
Iam a frensh student and iam a new user of the R software.
After using the command (x<-read.delim(clipboard) to read a
spreadsheet of Excel, I want to run the bds test and calculate the
Lyapunov exponent. I have charged the R software by the packages tseries
and tseriesChaos. when i run bds.test(x,m=2) Unfortunately the R
software displays error in as.vector(x,mode= double) : the object
(list) can not be automatically converted on double so what shall I do
to run this two tests(lyapunov and bds)? And what is my mistake?
I thank you in advance and Iam waiting forward your e-mail
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