From: Gabor Grothendieck <ggrothendieck_at_gmail.com>

Date: Tue 27 Jun 2006 - 00:02:23 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Tue Jun 27 00:13:10 2006

Date: Tue 27 Jun 2006 - 00:02:23 EST

Sorry I meant issue dput(df) and

post

df <- ...the output your got from dput(df)... ...rest of your code...

Now its reproducible.

On 6/26/06, Gabor Grothendieck <ggrothendieck@gmail.com> wrote:

> We don't have data.csv so its still not ***reproducible*** by anyone

*> else. To be reproducible it means that anyone can copy the code
**> in your post, paste it into R and get the same answer.
**>
**> Suggest you post the output of
**> dput(df)
**>
**> and then post
**> dput <- ...the output you got from dput(df)...
**>
**> Now its reproducible.
**>
**> On 6/26/06, Sachin J <sachinj.2006@yahoo.com> wrote:
**> > Hi Achim,
**> >
**> > I did the following:
**> >
**> > >df <- read.csv("C:/data.csv", header=TRUE,sep=",",na.strings="NA", dec=",", strip.white=TRUE)
**> >
**> > Note: data.csv has 10 (V1...V10) columns.
**> >
**> > >df[1]
**> > V1
**> > 1 11.08
**> > 2 7.08
**> > 3 7.08
**> > 4 6.08
**> > 5 6.08
**> > 6 6.08
**> > 7 23.08
**> > 8 32.08
**> > 9 8.08
**> > 10 11.08
**> > 11 6.08
**> > 12 13.08
**> > 13 13.83
**> > 14 16.83
**> > 15 19.83
**> > 16 8.83
**> > 17 20.83
**> > 18 17.83
**> > 19 9.83
**> > 20 20.83
**> > 21 10.83
**> > 22 12.83
**> > 23 15.83
**> > 24 11.83
**> >
**> > >tsdata <- ts((df[1]),frequency = 12, start = c(2005, 1))
**> >
**> > The resulting time series is different from the df. I don't know why? I think I am doing something silly.
**> >
**> > TIA
**> >
**> > Sachin
**> >
**> >
**> > Achim Zeileis <Achim.Zeileis@wu-wien.ac.at> wrote:
**> > On Mon, 26 Jun 2006, Sachin J wrote:
**> >
**> > > Hi,
**> > >
**> > > I am trying to convert a dataset (dataframe) into time series object
**> > > using ts function in stats package. My dataset is as follows:
**> > >
**> > > >df
**> > > [1] 11.08 7.08 7.08 6.08 6.08 6.08 23.08 32.08 8.08 11.08 6.08 13.08 13.83 16.83 19.83 8.83 20.83 17.83
**> > > [19] 9.83 20.83 10.83 12.83 15.83 11.83
**> >
**> > Please provide a reproducible example. You just showed us the print output
**> > for an object, claiming that it is an object of class "data.frame" which
**> > is rather unlikely given the print output.
**> >
**> > > I converted this into time series object as follows
**> > >
**> > > >tsdata <- ts((df),frequency = 12, start = c(1999, 1))
**> >
**> > which produces the right result for me if `df' is a vector or a
**> > data.frame:
**> >
**> > df <- c(11.08, 7.08, 7.08, 6.08, 6.08, 6.08, 23.08, 32.08, 8.08, 11.08,
**> > 6.08, 13.08, 13.83, 16.83, 19.83, 8.83, 20.83, 17.83, 9.83, 20.83,
**> > 10.83, 12.83, 15.83, 11.83)
**> > ts(df, frequency = 12, start = c(1999, 1))
**> > ts(as.data.frame(df), frequency = 12, start = c(1999, 1))
**> >
**> > > The resulting time series is as follows:
**> > >
**> > > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
**> > > 1999 2 15 15 14 14 14 12 13 16 2 14 5
**> > > 2000 6 8 10 17 11 9 18 11 1 4 7 3
**> > >
**> > > I am unable to understand why the values of df and tsdata does not match.
**> >
**> > So are we because you didn't really tell us enough about df...
**> >
**> > Best,
**> > Z
**> >
**> > > I looked at ts function and I couldn't find any data transformation. Am
**> > > I missing something here? Any pointers would be of great help.
**> > >
**> > > Thanks in advance.
**> > >
**> > > Sachin
**> > >
**> > >
**> > > ---------------------------------
**> > >
**> > > [[alternative HTML version deleted]]
**> > >
**> > > ______________________________________________
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**> > > https://stat.ethz.ch/mailman/listinfo/r-help
**> > > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
**> > >
**> >
**> >
**> > __________________________________________________
**> >
**> >
**> >
**> > [[alternative HTML version deleted]]
**> >
**> > ______________________________________________
**> > R-help@stat.math.ethz.ch mailing list
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**>
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