[R] Error in xy.coords(x, NULL, log = log) : (list) object cannot be coerced to type 'double'

[Uwe Ligges]

On 01.04.2012 20:15, Bazman76 wrote:
> Hi there,
>
> When I run the code below I get the error
>
> Error in xy.coords(x, NULL, log = log) :(list) object cannot be coerced to
> type 'double'
>
> Any tips how I can resolve this?

The mra output is a list, hence plot.ts cannot handle it.
You probably want to plot the original data in the first place given you 
are following the example from ?mra

Uwe Ligges


>
>>
>> library("waveslim")
>>
>> vols=read.csv(file="C:/Users/ocuk/My Documents/Abs Vol.csv", header=TRUE,
>> sep=",")
>> x<-c(vols[,1])
>> #x
>> #data(ibm)
>> av.la8<- mra(x, "la8", 4, "modwt")
>> #names(av.la8)<- c("d1", "d2", "d3", "d4","d5","d6", "d7", "d8","s8")
>> names(av.la8)<- c("d1", "d2", "d3", "d4","s4")
>> #par(mfcol=c(10,1), pty="m", mar=c(5-2,4,4-2,2))
>> par(mfcol=c(6,1), pty="m", mar=c(5-2,4,4-2,2))
>> plot.ts(av.la8, axes=F, ylab="", main="abs vol")
> *Error in xy.coords(x, NULL, log = log) :
>    (list) object cannot be coerced to type 'double'*
>> #for(i in 1:9)
>> for(i in 1:5)
> + 	plot.ts(av.la8[[i]], axes=F, ylab=names(av.la8)[i])
>> axis(side=1, at=seq(0,1541,by=100),
> + 		labels=c(0,"",200,"",400,"",600,"",800,"",1000,"",1200,"",1400,""))
>
> --
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>
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