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This group is open to all questions and problems concerning the R package camtrapR for camera trap data management.
When reporting a problem, please:
confirm the error exists in the current GitHub version
include the code you used and the error messages
include output of sessionInfo()
ideally share sample data and code to reproduce the error
Some useful links:
CRAN page
(vignettes are here)
Article in
Methods Ecol. Evol.
GitHub pages (documentation)
GitHub (source code)
Thank you very much for using camtrapR!
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Juergen Niedballa
Sep 4
camtrapR 2.3.1 on CRAN
Dear camtrapR users, Version 2.3.1 is now available on CRAN. This maintenance release ensures
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camtrapR 2.3.1 on CRAN
Dear camtrapR users, Version 2.3.1 is now available on CRAN. This maintenance release ensures
Sep 4
Jay White
,
Jürgen Niedballa
2
Aug 28
surveyReport not generating zip folder
Hello, can you confirm this happens with the latest dev version from Github? Please install via #
unread,
surveyReport not generating zip folder
Hello, can you confirm this happens with the latest dev version from Github? Please install via #
Aug 28
stefano...@gmail.com
,
Juergen Niedballa
3
Aug 5
surveyReport and Detection Histories are not using the same rules?
Hi Jurgen, sorry for being late on this. Please find below a reproducible example showing the
unread,
surveyReport and Detection Histories are not using the same rules?
Hi Jurgen, sorry for being late on this. Please find below a reproducible example showing the
Aug 5
stefano...@gmail.com
,
Jürgen Niedballa
2
Aug 5
argument ordered in plot_coef is not working as expected
Hello, please try with the dev version from GitHub, which also has a lot of other improvements. See
unread,
argument ordered in plot_coef is not working as expected
Hello, please try with the dev version from GitHub, which also has a lot of other improvements. See
Aug 5
Fernando Pinho
,
Juergen Niedballa
2
Jun 10
Issue Accessing Derived Quantities (bpvalue and r2) in communityModel
Hello, the bayesian p-values and related quantities (like r2, the species-specific residuals) are not
unread,
Issue Accessing Derived Quantities (bpvalue and r2) in communityModel
Hello, the bayesian p-values and related quantities (like r2, the species-specific residuals) are not
Jun 10
John Huang
, …
Juergen Niedballa
11
Jun 10
Error: cannot find Exiftool
Hello, the vignette 1 of camtrapR describes the manual installation process, but since you mentioned
unread,
Error: cannot find Exiftool
Hello, the vignette 1 of camtrapR describes the manual installation process, but since you mentioned
Jun 10
Juergen Niedballa
Apr 20
[BETA TEST] New camtrapR Shiny Dashboard - Complete camera trap analysis in one application!
Hello camtrapR community, I'm excited to announce the release of a completely overhauled Survey
unread,
[BETA TEST] New camtrapR Shiny Dashboard - Complete camera trap analysis in one application!
Hello camtrapR community, I'm excited to announce the release of a completely overhauled Survey
Apr 20
Rajashree Sain
,
Juergen Niedballa
3
Apr 4
Video metadata extraction and Duplicate removal
Thank you so much. It worked! On Wednesday, April 2, 2025 at 10:13:56 PM UTC+5:30 Juergen Niedballa
unread,
Video metadata extraction and Duplicate removal
Thank you so much. It worked! On Wednesday, April 2, 2025 at 10:13:56 PM UTC+5:30 Juergen Niedballa
Apr 4
Sanjana V. K
,
Juergen Niedballa
3
Apr 4
Filter record table - date and time conversion error
Hi, Thanks for getting back! I tried with the dev version but I'm still getting the same error:
unread,
Filter record table - date and time conversion error
Hi, Thanks for getting back! I tried with the dev version but I'm still getting the same error:
Apr 4
clara.mon...@hotmail.co.uk
, …
Juergen Niedballa
8
Apr 2
Record Table Error
Hello, It looks like there's confusion between the path to the exiftool executable and the
unread,
Record Table Error
Hello, It looks like there's confusion between the path to the exiftool executable and the
Apr 2
Tristan Purtlebaugh
,
Juergen Niedballa
2
Mar 11
Extracting Metadata into a csv
Hello, please share the code you used. The function recordTable is the main workhorse for such tasks,
unread,
Extracting Metadata into a csv
Hello, please share the code you used. The function recordTable is the main workhorse for such tasks,
Mar 11
Sajidah Salsabila Annisa
,
Juergen Niedballa
2
Mar 11
activity overlap pattern for multiple species
Hello Annisa, the function currently only implements the overlap of two species. If you need more
unread,
activity overlap pattern for multiple species
Hello Annisa, the function currently only implements the overlap of two species. If you need more
Mar 11
Tregear Louis
,
Jürgen Niedballa
4
Feb 21
Problem with the functions plot_effects and plot_coeff
Thank you for your follow-up. Let me clarify a few points: 1. Random effects can be used for both
unread,
Problem with the functions plot_effects and plot_coeff
Thank you for your follow-up. Let me clarify a few points: 1. Random effects can be used for both
Feb 21
Xavier
,
Juergen Niedballa
3
Feb 11
Issues with Photo loading
Thank you for the quick feedback. Good it's working again. Feel free to reach out if you have any
unread,
Issues with Photo loading
Thank you for the quick feedback. Good it's working again. Feel free to reach out if you have any
Feb 11
Magdalena Salas
,
Juergen Niedballa
2
12/21/24
mapping with community models
Hello, yes, you can create prediction maps for multi-species occupancy models, using the predict()
unread,
mapping with community models
Hello, yes, you can create prediction maps for multi-species occupancy models, using the predict()
12/21/24
Mohd Fikri Zaidan
,
Juergen Niedballa
3
12/4/24
Truncated Issue
Hello, please share the output of exif_read(), since you are using that already, or try running
unread,
Truncated Issue
Hello, please share the output of exif_read(), since you are using that already, or try running
12/4/24
Juan Camilo Cepeda Duque
11/10/24
Issues in creating a count history to run N-mixture models
Hi Jurgen, Sorry if the following question has been previously solved but I haven't found a
unread,
Issues in creating a count history to run N-mixture models
Hi Jurgen, Sorry if the following question has been previously solved but I haven't found a
11/10/24
Neofelis Nebulosa
11/5/24
error: Duplicate station name in multi-season data formatting
Hi Jurgen, I have 84 camera trap stations over seven years (14 seasons) and I wanted to format my
unread,
error: Duplicate station name in multi-season data formatting
Hi Jurgen, I have 84 camera trap stations over seven years (14 seasons) and I wanted to format my
11/5/24
Neofelis Nebulosa
,
Juergen Niedballa
3
11/4/24
Error: stationCol = "Station" is not a column name in CTtable
Sorted, thank you! Best, Yadav On Wednesday, October 30, 2024 at 1:07:24 AM UTC-4 Juergen Niedballa
unread,
Error: stationCol = "Station" is not a column name in CTtable
Sorted, thank you! Best, Yadav On Wednesday, October 30, 2024 at 1:07:24 AM UTC-4 Juergen Niedballa
11/4/24
Jarrad Barnes
, …
Neofelis Nebulosa
7
11/2/24
Multi-species *multi-season* communityModel?
Yadav, You need a new column that is something like "station_season". Eg, I have station
unread,
Multi-species *multi-season* communityModel?
Yadav, You need a new column that is something like "station_season". Eg, I have station
11/2/24
Walter Di Nicola
,
Juergen Niedballa
2
10/30/24
observation covariates changing over occasions in pcount
Hello, this is likely not possible out of the box because, as you said, only site covariates can be
unread,
observation covariates changing over occasions in pcount
Hello, this is likely not possible out of the box because, as you said, only site covariates can be
10/30/24
Neofelis Nebulosa
,
Juergen Niedballa
3
10/29/24
Can other tags be used to create record tables?
Sorry Jurgen, I kind of got lost after asking this question. Had to quickly finish the work I started
unread,
Can other tags be used to create record tables?
Sorry Jurgen, I kind of got lost after asking this question. Had to quickly finish the work I started
10/29/24
Magdalena Salas
,
Juergen Niedballa
2
9/15/24
Error with plot_effects() and plot_coef()
Hello, Please try changing this line in communityModel occuCovs = list(ranef = "Pje", ranef
unread,
Error with plot_effects() and plot_coef()
Hello, Please try changing this line in communityModel occuCovs = list(ranef = "Pje", ranef
9/15/24
Courtney Burk
, …
Jürgen Niedballa
6
8/11/24
hasProblems = TRUE issues
Thank you for the update. I will add a check and informative error massage for this situation to the
unread,
hasProblems = TRUE issues
Thank you for the update. I will add a check and informative error massage for this situation to the
8/11/24
jai yangc
,
Jürgen Niedballa
2
8/11/24
Can not rename
Hi, - do the examples from ?imageRename or the vignette work? - better don't use getwd(). Better
unread,
Can not rename
Hi, - do the examples from ?imageRename or the vignette work? - better don't use getwd(). Better
8/11/24
asghar khan
,
Juergen Niedballa
2
8/10/24
create station directories in wd_createStationDir
Hi, did you run library(camtrapR) first? And does it work if you specifically request for the
unread,
create station directories in wd_createStationDir
Hi, did you run library(camtrapR) first? And does it work if you specifically request for the
8/10/24
Shagun Thakur
,
Juergen Niedballa
2
8/10/24
Erros in reading the date format
Hi, please share the str() of your camera trap table and the code you used. Thank you, Jürgen Shagun
unread,
Erros in reading the date format
Hi, please share the str() of your camera trap table and the code you used. Thank you, Jürgen Shagun
8/10/24
Jarrad Barnes
,
Jürgen Niedballa
9
7/26/24
Different results with same dataset in communityModel
Hi again Juergen, For what it's worth, I've had a look back through some previous iterations
unread,
Different results with same dataset in communityModel
Hi again Juergen, For what it's worth, I've had a look back through some previous iterations
7/26/24
Jarrad Barnes
,
Jürgen Niedballa
6
7/17/24
Random effects of categorical covariate on another categorical covariate in communityModel
Thanks Juergen, that makes sense. I'll check the detection history and effort matrix and see how
unread,
Random effects of categorical covariate on another categorical covariate in communityModel
Thanks Juergen, that makes sense. I'll check the detection history and effort matrix and see how
7/17/24
NW
,
Juergen Niedballa
2
6/19/24
Error: timeZone must be an element of OlsonNames()
Hello, this is odd and I don't understand the issue yet. Can you please: 1) confirm it also
unread,
Error: timeZone must be an element of OlsonNames()
Hello, this is odd and I don't understand the issue yet. Can you please: 1) confirm it also
6/19/24