From ligges at statistik.uni-dortmund.de  Thu Nov  4 11:43:31 2004
From: ligges at statistik.uni-dortmund.de (Uwe Ligges)
Date: Thu Nov  4 11:43:14 2004
Subject: [Rd] error in chron object library
In-Reply-To: <1099519859.2847.35.camel@localhost.localdomain>
References: <1099519859.2847.35.camel@localhost.localdomain>
Message-ID: <418A07D3.7090709@statistik.uni-dortmund.de>

juan_sr@uol.com.br wrote:

> 
> Times series of rain and discharge in hydrologic - stations has above 95
> years of daily records.
> In the temporal series over "serie" dataframe, using chron's object:
> 
> 
>>library(chron)                          # load chron library 
> 
> 
>>length(serie$data)
> 
> [1] 27182
> 
> 
>>serie$data[length(serie$data)]
> 
> [1] (85-12-31 00:00:00)                   # 1985-dez-31 00:00:00hs
> 
> 
>>serie$data[1]
> 
> [1] (11-08-01 00:00:00)                   # 1911-aug-01 00:00:00hs
> 
> 
>>serie$data[length(serie$data)] -serie$data[1]  # error, correct value
> 
> is: 27181

I guess you get something negative,because the year you have coded is 
2011 rather than 1911!
But I cannot be sure because you have not specified any reproducible 
example. Also, you have not said what the error message is. Which 
version of R, chron and the OS? Please read the posting guide!

Uwe Ligges



> 
> which are the solution?
> 
> Juan S. Ramseyer
> 
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[Rd] error in chron object library
Uwe Ligges