tRophicPosition

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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
To post to this group, send an email to trophicposition-support@googlegroups.com
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Gemma Galbraith, … Amroco5

Apr 16

Trouble with Extractisotopedata for multiple species and sites

I still do not have a solution for this, however it does seem to work when I remove one of the

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Trouble with Extractisotopedata for multiple species and sites

I still do not have a solution for this, however it does seem to work when I remove one of the

Apr 16

Bruna caroline Kliemann, … Amroco6

12/9/23

Problems installing the trophic position package

Hi all, I am now having this problem, using R 4.3.2, unable to install from CRAN or GitHub When I try

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Problems installing the trophic position package

Hi all, I am now having this problem, using R 4.3.2, unable to install from CRAN or GitHub When I try

12/9/23

Lauren Young

11/16/23

Поздрави, как си днес Greetings, how are you today

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Поздрави, как си днес Greetings, how are you today

11/16/23

Grant Dlesk

8/17/23

Interpreting Pairwise and Bhattacharyya coefficient Comparisons

Hi, I don't know if this group is only for troubleshooting or for interpreting results as well.

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Interpreting Pairwise and Bhattacharyya coefficient Comparisons

Hi, I don't know if this group is only for troubleshooting or for interpreting results as well.

8/17/23

Tatiana Acosta Pachon, Claudio Quezada-Romegialli2

6/7/23

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

6/7/23

Samroz Majeed Baloch

5/3/23

Trophic Position Estimation

Hello can anyone please share how we can calculate Trophic position of fish species using C and N

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Trophic Position Estimation

Hello can anyone please share how we can calculate Trophic position of fish species using C and N

5/3/23

Bethany Bethke

1/31/23

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

1/31/23

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

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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 Romegialli5

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

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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 Romegialli3

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

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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

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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 Romegialli2

8/6/20

Extracting Posterior Distribution

Hi Bethany It depends on how you got those plots. If you have posterior estimates for your variables,

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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,

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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()

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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

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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 Romegialli2

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

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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 Romegialli2

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

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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 Romegialli2

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

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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 Romegialli2

10/26/19

Pairwise comparisons with different TDF's

Dear Laura If you use multiSpeciesTP() or multiModelTP() to calculate trophic position, then the

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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

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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-Romegialli2

4/13/19

Individual Trophic Positions

Hello Stefan For some unknownk reason, I missed this email. Apologies for the very, very late

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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 Romegialli2

4/13/19

Individual Estimates Available?

Hi Bethany I'm glad you found the package useful. Unfortunately, at this time it is not possible

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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 Romegialli2

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.

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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 Romegialli2

1/14/19

Change in TP values

Dear France I am not sure if I understood completely your question. parametricTP calculates the

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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

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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-Romegialli4

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

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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 Romegialli2

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

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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