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Welcome to tRophicPosition support group. This group is maintained by Claudio Quezada-Romegialli.
To download tRophicPosition package visit
https://github.com/clquezada/
tRophicPosition
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Lauren Young
Nov 16
mm
Поздрави, как си днес Greetings, how are you today
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mm
Поздрави, как си днес Greetings, how are you today
Nov 16
Bruna caroline Kliemann
, …
Jeff Cullen
5
Oct 20
Problems installing the trophic position package
Hello, I am having the same problem. I am unable to install packages on the CRAN or from GitHub. I am
unread,
Problems installing the trophic position package
Hello, I am having the same problem. I am unable to install packages on the CRAN or from GitHub. I am
Oct 20
Grant Dlesk
Aug 17
Interpreting Pairwise and Bhattacharyya coefficient Comparisons
Hi, I don't know if this group is only for troubleshooting or for interpreting results as well.
unread,
Interpreting Pairwise and Bhattacharyya coefficient Comparisons
Hi, I don't know if this group is only for troubleshooting or for interpreting results as well.
Aug 17
Tatiana Acosta Pachon
,
Claudio Quezada-Romegialli
2
Jun 7
Errors in trophic position plots
Hola Tatiana It seems that the problem is not related to tRophicPosition but the gtable package. Try
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Errors in trophic position plots
Hola Tatiana It seems that the problem is not related to tRophicPosition but the gtable package. Try
Jun 7
Samroz Majeed Baloch
May 3
Trophic Position Estimation
Hello can anyone please share how we can calculate Trophic position of fish species using C and N
unread,
Trophic Position Estimation
Hello can anyone please share how we can calculate Trophic position of fish species using C and N
May 3
Bethany Bethke
Jan 31
extract predicted values
Hello, I'm trying to use the function 'extractPredictiveData' but I'm having some
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extract predicted values
Hello, I'm trying to use the function 'extractPredictiveData' but I'm having some
Jan 31
Gemma Galbraith
, …
Dalmiro Borzone Mas
3
Jan 30
Trouble with Extractisotopedata for multiple species and sites
Dear Dr. Galbraith & Amy I guess they solved the problem in another way. However, today I was
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Trouble with Extractisotopedata for multiple species and sites
Dear Dr. Galbraith & Amy I guess they solved the problem in another way. However, today I was
Jan 30
aslak grimsgaard
9/6/22
Defining priors
Hey This might be a stupid question but here goes anyways. I have a dataset with multiple species and
unread,
Defining priors
Hey This might be a stupid question but here goes anyways. I have a dataset with multiple species and
9/6/22
Westrelin Samuel
8/4/22
how to specify trophic discrimination factor in tRophicPosition R
Hi all, I forward you two questions I just posted on stackoverflow. In https://cran.r-project.org/web
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how to specify trophic discrimination factor in tRophicPosition R
Hi all, I forward you two questions I just posted on stackoverflow. In https://cran.r-project.org/web
8/4/22
Wondie Zelalem
2/1/22
Problem with screenFoodWeb function in tRophicPosition
Hi, I'm striving to use the screenFoodWeb function in the tRophicPosition package, and while
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Problem with screenFoodWeb function in tRophicPosition
Hi, I'm striving to use the screenFoodWeb function in the tRophicPosition package, and while
2/1/22
Katharina Peters
,
Claudio Quezada Romegialli
5
12/12/21
Strange results for parametric trophic position
Hi Claudio, Thank you very much for taking the time to look at this. I think I will go ahead using
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Strange results for parametric trophic position
Hi Claudio, Thank you very much for taking the time to look at this. I think I will go ahead using
12/12/21
Isa Wallin Kihlberg
8/12/21
multimodelTP - what's missing?
Dear Dr. Quezada-Romegialli, I am currently trying to establish the trophic position of an invasive
unread,
multimodelTP - what's missing?
Dear Dr. Quezada-Romegialli, I am currently trying to establish the trophic position of an invasive
8/12/21
Bruno Linhares
,
Claudio Quezada Romegialli
3
8/4/21
Problem with screenFoodWeb plotting
Hi Claudio, I appreciate your quick return. The warning seems to be the same as it shows in the CRAN
unread,
Problem with screenFoodWeb plotting
Hi Claudio, I appreciate your quick return. The warning seems to be the same as it shows in the CRAN
8/4/21
Alexandre Garcia
1/8/21
computing individual TP using the tRophicPosition
Dear Quezada-Romegialli, Hi there. My name is Alexandre Miranda Garcia and I'm a researcher at
unread,
computing individual TP using the tRophicPosition
Dear Quezada-Romegialli, Hi there. My name is Alexandre Miranda Garcia and I'm a researcher at
1/8/21
Bethke, Bethany (DNR)
,
Claudio Quezada Romegialli
2
8/6/20
Extracting Posterior Distribution
Hi Bethany It depends on how you got those plots. If you have posterior estimates for your variables,
unread,
Extracting Posterior Distribution
Hi Bethany It depends on how you got those plots. If you have posterior estimates for your variables,
8/6/20
Thethela Bokhutlo
1/16/20
Bug in the screenFoodWeb function
Hello I am currently using the trophic position package and I find it to be highly useful. However,
unread,
Bug in the screenFoodWeb function
Hello I am currently using the trophic position package and I find it to be highly useful. However,
1/16/20
Gabriel Ferreira
11/27/19
screenFoodWeb plotting issue
Dear all, I saw in a topic from October 26th a comment about the plotting issue on the screeFoodWeb()
unread,
screenFoodWeb plotting issue
Dear all, I saw in a topic from October 26th a comment about the plotting issue on the screeFoodWeb()
11/27/19
Hannah M Carroll
11/15/19
Difficultly loading multiple consumers
Good afternoon Dr. Quezada-Romegialli, I am trying to build trophic position models for a large
unread,
Difficultly loading multiple consumers
Good afternoon Dr. Quezada-Romegialli, I am trying to build trophic position models for a large
11/15/19
Pierre Cresson
,
Claudio Quezada Romegialli
2
11/4/19
tRophic position with one isotope only
Hola Pierre Yes, it is possible (and pertinent). When you are calculating a one baseline model you
unread,
tRophic position with one isotope only
Hola Pierre Yes, it is possible (and pertinent). When you are calculating a one baseline model you
11/4/19
Bethke, Bethany (DNR)
,
Claudio Quezada Romegialli
2
10/26/19
Trace Plots from Multi Species Model
Hi Bethany When you use multiSpeciesTP() you have to change print = FALSE to TRUE, so that you can
unread,
Trace Plots from Multi Species Model
Hi Bethany When you use multiSpeciesTP() you have to change print = FALSE to TRUE, so that you can
10/26/19
Laura Agusto
,
Claudio Quezada Romegialli
2
10/26/19
Model checking for a multi species model
Dear Laura Whether you use a two baselines or a two baselines full model it depends if you consider a
unread,
Model checking for a multi species model
Dear Laura Whether you use a two baselines or a two baselines full model it depends if you consider a
10/26/19
Laura Agusto
,
Claudio Quezada Romegialli
2
10/26/19
Pairwise comparisons with different TDF's
Dear Laura If you use multiSpeciesTP() or multiModelTP() to calculate trophic position, then the
unread,
Pairwise comparisons with different TDF's
Dear Laura If you use multiSpeciesTP() or multiModelTP() to calculate trophic position, then the
10/26/19
Lady Liliana Espinosa Leal
9/23/19
quiero ser parte de este grupo
-- Saludos, Lady Liliana Espinosa Leal Msc. En ciencias en Ecología Marina Estudiante Doctorado en
unread,
quiero ser parte de este grupo
-- Saludos, Lady Liliana Espinosa Leal Msc. En ciencias en Ecología Marina Estudiante Doctorado en
9/23/19
Stefan Linzmaier
,
Claudio Quezada-Romegialli
2
4/13/19
Individual Trophic Positions
Hello Stefan For some unknownk reason, I missed this email. Apologies for the very, very late
unread,
Individual Trophic Positions
Hello Stefan For some unknownk reason, I missed this email. Apologies for the very, very late
4/13/19
Bethke, Bethany (DNR)
,
Claudio Quezada Romegialli
2
4/13/19
Individual Estimates Available?
Hi Bethany I'm glad you found the package useful. Unfortunately, at this time it is not possible
unread,
Individual Estimates Available?
Hi Bethany I'm glad you found the package useful. Unfortunately, at this time it is not possible
4/13/19
Guillaume Marchessaux
,
Claudio Quezada Romegialli
2
4/3/19
R version for tRophicPosition
Dear Guillaume and Mélanie Apologies for the late response, I just come back from a long trip abroad.
unread,
R version for tRophicPosition
Dear Guillaume and Mélanie Apologies for the late response, I just come back from a long trip abroad.
4/3/19
franced...@hotmail.com
,
Claudio Quezada Romegialli
2
1/14/19
Change in TP values
Dear France I am not sure if I understood completely your question. parametricTP calculates the
unread,
Change in TP values
Dear France I am not sure if I understood completely your question. parametricTP calculates the
1/14/19
cri.an...@gmail.com
,
Claudio Quezada R.
2
10/15/18
baseline values not recognized
Hi Cristina What is the structure of Low? If the function is not recognizing baseline data, it might
unread,
baseline values not recognized
Hi Cristina What is the structure of Low? If the function is not recognizing baseline data, it might
10/15/18
raz0 .......
, …
Claudio Quezada-Romegialli
4
10/2/18
programa trophic position
Hola Pierre English is fine (I would love to reply you in French, but I'm not good yet with the
unread,
programa trophic position
Hola Pierre English is fine (I would love to reply you in French, but I'm not good yet with the
10/2/18
cres...@gmail.com
,
Claudio Quezada Romegialli
2
10/2/18
confidence level in pairwise comparison
Hi Pierre! Thank you very much for your comments ;) Regarding your question, as we are dealing with
unread,
confidence level in pairwise comparison
Hi Pierre! Thank you very much for your comments ;) Regarding your question, as we are dealing with
10/2/18