[R] Getting error message using R: Please help (it's coursework due in on Friday)

Peter Dalgaard P.Dalgaard at biostat.ku.dk
Wed Dec 12 13:58:37 CET 2007


ethanhaas wrote:
> What I'm trying to do is have plots and summary statistics of x
> (autocorrelations for example) where x refers to the data in using, and I
> thought decomposing would be the way to go about it.
>
>
>   
You are not listening. I give up.

> P.Dalgaard wrote:
>   
>> ethanhaas wrote:
>>     
>>> I simply called it information but I can also call it data if you wish,
>>> it
>>> doesn't make a difference.
>>> The timeseries is simply the time series of this data between the two
>>> dates
>>> and using is the data up to 1990 as opposed to 1994.
>>>
>>>   
>>>       
>> And isn't it one of the latter two you want to decompose()?
>>
>>     
>>> P.Dalgaard wrote:
>>>   
>>>       
>>>> ethanhaas wrote:
>>>>     
>>>>         
>>>>> I've been trying for the past 3 weeks to use R (much better than Matlab
>>>>> but I
>>>>> am very bad with computers so I am very new to all of this) and know
>>>>> how
>>>>> to
>>>>> input the data (hey, it's a start!) but every time I type in the
>>>>> following:
>>>>>
>>>>> dcm <- decompose(information)
>>>>>
>>>>> I get the following error message:
>>>>>
>>>>> Error in decompose(information) : time series has no or less than 3
>>>>> periods
>>>>>
>>>>> Could you please aid me so that I can progress to the next step. What I
>>>>> am
>>>>> in fact trying to do at the moment is plot a graph of the information
>>>>> so
>>>>> I
>>>>> had assumed it would be:
>>>>>
>>>>> dcm <- decompose(information)
>>>>> Plot(dcm$trend)
>>>>>
>>>>> but obviously it does not appear to be the case.
>>>>>
>>>>> By the way the code I have right now in case it helps is:
>>>>>
>>>>> information <- scan("everything.txt")
>>>>> timeseries <- ts(information, frequency = 11, start = c(1970, 1994))
>>>>> using <- window(timeseries, end = c(1990, 11))
>>>>> dcm <- decompose(information)
>>>>> Plot(dcm$trend)
>>>>>
>>>>>   
>>>>>       
>>>>>           
>>>> Er, are you sure it is "information" that you want to decompose()? (If
>>>> so, what are the computations of "timeseries" and "using" supposed to be
>>>> good for?)
>>>>
>>>>     
>>>>         
>>>>> Thank you very much in advance, I really appreciate the help.
>>>>>   
>>>>>       
>>>>>           
>>>> -- 
>>>>    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
>>>>   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
>>>>  (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45)
>>>> 35327918
>>>> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45)
>>>> 35327907
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>>>
>>>>     
>>>>         
>>>   
>>>       
>> -- 
>>    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
>>   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
>>  (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45)
>> 35327918
>> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45)
>> 35327907
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>>     
>
>   


-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907



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