[AniMov] AniMov Digest, Vol 102, Issue 1

Stefano Anile stefanoanile at yahoo.it
Sat Aug 9 10:38:19 CEST 2014


Hi Elodie, 
Just a suggestion. Why don't give a look at the BBMM package? It sorts out the "issue" of temporal independece between locations. 
All the best
Stef


Inviato da iPhone

Il giorno 09/ago/2014, alle ore 07:44, animov-request a faunalia.it ha scritto:

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> Today's Topics:
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>   1. Different error messages when trying to use rhr package
>      (Elodie Camprasse)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 9 Aug 2014 15:44:33 +1000
> From: "Elodie Camprasse" <elodie.camprasse a gmail.com>
> To: <animov a faunalia.it>
> Subject: [AniMov] Different error messages when trying to use rhr
>    package
> Message-ID: <00f301cfb395$0181b350$048519f0$@gmail.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> G'day everyone,
> 
> I am working with GPS data recorded from foraging penguins. I recently
> discovered the rhr package, which seems like an amazing tool but
> unfortunately I cannot get it to work. 
> 
> I have a dataframe that contains one column for longitude and one for
> latitude, as well as an ID column which gives information about the trip
> number (I want to calculate home range characteristics trip by trip and then
> make a comparison) and a POSIXct timestamp in the format d/%m/%Y %H:%M:%S as
> you can see in the attached file. 
> 
> The rhrGUI() command allowed me to open the GUI in my web browser (Google
> Chrome) after loading the package rhr. I uploaded the file with "comma",
> "data comes with header", "0", and "point" as options for the field
> separator, header, skip lines and decimal separator options. In order to map
> the fields, I used "id", "Longitude", "Latitude" and "timestamp", and "NA"
> for he ID, Longitude, Latitude, Date and Time fields respectively. For the
> date, I used the "ymd_hms" option. I did not apply any restriction. I then
> selected "lon/lat" (but I also tried meters and got the same output with
> errors), "4326" (for WGS84), "28354" (which corresponds to the projected
> coordinate system of the zone I am working with, ie GDA Zone 54), "add
> random noise" for the unit, input spatial reference system, output reference
> system and duplicates fields separately. On top of that, I ticked the
> verbose mode, write log and use Google maps options. I ticked all analytical
> steps and ran the analysis but I am getting error messages throughout the
> output and no plot at all get produced. 
> Here are the error messages I am getting:  
> -   Site fidelity: Error in switch(ct, ggplot =
> ggplotGrob(grobs[[ii.table]]), trellis = latticeGrob(grobs[[ii.table]]), :
> EXPR must be a length 1 vector
> -   Time to statistical independence: Error in valid.viewport(x, y, width,
> height, just, gp, clip, xscale, yscale, : invalid 'yscale' in viewport
> -   Minimum Convex Polygon/Kernel Density Estimation: Error in
> rhrConvertUnit(tt$area, config$config$inUnit, config$config$outUnit): inUnit
> is not valid. It should be one of: ido,m,km,ft,yd,mi
> -   Local Convex Hull: Error: is.character(projargs) is not TRUE
> -   Asymptote and Core Area: Error in gzfile(file, "rb"): cannot open the
> connection and Not enough relocations
> I am not sure what these errors mean and how to fix them. 
> I should probably mention that I installed the package rhr from the zip file
> found on r-forge a few days ago. 
> I have also attached the log and params files created after the analysis was
> ran. 
> If someone could help me understand what seems to be the problem and point
> me in the right direction to fix it, it would be much appreciated! 
> Cheers,
> Elodie 
> 
> 
> 
> 
> Elodie Camprasse
> 
> 6/187 Auburn Road
> 
> Hawthorn, VIC 3122
> 
> Australia 
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> Email:  <mailto:elodie.camprasse a gmail.com> elodie.camprasse a gmail.com
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