Re: [R] help

[Prof Brian Ripley]

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,

I’am a frensh student and i’am 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 I’am waiting forward your e-mail

This si my e-mail: [EMAIL PROTECTED]

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Brian D. Ripley,                  [EMAIL PROTECTED]
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
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