Message-ID: <AANLkTiko-wShV=EWYuLChHW=Oo1Vtbyf69s9jw8tSgLy@mail.gmail.com>
Date: 2011-01-28T04:50:40Z
From: Gabor Grothendieck
Subject: Problem converting zoo object (daily data) to a timeSeries object
In-Reply-To: <000001cbbe43$269b9d90$73d2d8b0$@com>
On Thu, Jan 27, 2011 at 11:56 AM, John E. Kaprich <jkaprich at gmail.com> wrote:
> When I try to convert the zoo object to a timeSeries object, which would
> allow me to utilize Rmetrics packages, I get an error message.
>
>
>
>> Data<-read.zoo("c:\\DOWUBSPRICING.txt,na.strings="NA",sep="\t",header=T)
>> is(Data)
> "zoo"
>> as.timeSeries.zoo(Data)
> Error in .local (.Object, . )
>
> Is this happening because I am using daily data? Originally, I was trying to
> import the data as a timeSeries, but could not overcome problems with the
> date configuration. I tried to create a zoo object with the intention of
> converting it into a timeSeries.
>
> My apologies if this is too basic a question, but I am new to R and have
> been struggling with this problem.
>
> The object in question contains daily adjusting closing price data.
>
> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?DJP ? ? ? ? JJA ? ? ? ? ?COW
>
> 2011/1/21 ? ? ? ? ? ?49.01 ? ? 64.68 ? ? 30.97
> 2011/1/20 ? ? ? ? ? ?48.62 ? ? 63.78 ? ? 31.11
>
> .
There are a different number of headings and columns so the dates are
being interpreted as row names. Try this:
Lines <- " DJP JJA COW
2011/1/21 49.01 64.68 30.97
2011/1/20 48.62 63.78 31.11"
library(zoo)
DF <- read.table(textConnection(Lines))
z <- zoo(DF, rownames(DF))
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