I had the same error "Error in as.ltraj(xy, id, date = da) : non unique dates
for a given burst", but from a different cause, that I'd like to share in
case others have the same issue.
My data came from GPS collars that collected dates and time in Greenwich
Mean Time (GMT). However, the package a
Hi all,
I am experiencing a similar issue with "non unique dates for a given burst".
This is more of a practice session for me, I have data from 1 collared
animal and for practice, assigned this individual 2 bursts (wk1 and wk2).
This is what I have:
ID DATETIME BURST X
icated date values aren't duplicates
> To: "Tim Clark" , r-help@r-project.org
> Date: Friday, July 24, 2009, 4:00 AM
> Look at results of
>
> table( mydata$DateTime )
>
> and I think you will see that some are duplicated.
> Specifically, the
> two
Look at results of
table( mydata$DateTime )
and I think you will see that some are duplicated. Specifically, the
two in your dupes object.
-Don
At 5:50 PM -0700 7/23/09, Tim Clark wrote:
Dear list,
I just had a function (as.ltraj in Adehabitat) give me the following error:
"Error in as.
What you are reporting is that there are two duplicated dates in your
data. 'duplicated' returns a logical vector that is TRUE for the
second and subsequent duplicates. Notice what is returned:
> x <- c(1,2,2,3,4,4,5,6,4,7,3)
> x[duplicated(x)]
[1] 2 4 4 3
>
On Thu, Jul 23, 2009 at 8:50 PM, T
Dear list,
I just had a function (as.ltraj in Adehabitat) give me the following error:
"Error in as.ltraj(xy, id, date = da) : non unique dates for a given burst"
I checked my dates and got the following:
> dupes<-mydata$DateTime[duplicated(mydata$DateTime)]
> dupes
[1] (07/30/02 00:00:00) (
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