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5:37 AM

Pcount for hypothesis testing

Hi everyone, I am new to Applied Hierarchical Modelling, and I am reading up papers and the AHM book

unread,

Pcount for hypothesis testing

Hi everyone, I am new to Applied Hierarchical Modelling, and I am reading up papers and the AHM book

5:37 AM

Max Khoo, Ken Kellner2

Apr 22

Simulating datasets for gdistsamp

Hi Max, The main issue with your code is the names assigned to the formula and coefficient lists -

unread,

Simulating datasets for gdistsamp

Hi Max, The main issue with your code is the names assigned to the formula and coefficient lists -

Apr 22

Jelaine Gan, Ken Kellner3

Apr 18

Backtransforming abundance estimates in pcount with random effect

Hi Ken, Thank you very much for the quick response! I will make sure the random effects are read as

unread,

Backtransforming abundance estimates in pcount with random effect

Hi Ken, Thank you very much for the quick response! I will make sure the random effects are read as

Apr 18

Apr 16

AHM workshop announcement July 22-26, 2024

Hi all, Just a quick reminder about the in-person AHM workshop July 22-26 2024 in East Lansing with

unread,

AHM workshop announcement July 22-26, 2024

Hi all, Just a quick reminder about the in-person AHM workshop July 22-26 2024 in East Lansing with

Apr 16

Will Langdon, John Clare4

Apr 11

Estimating 'long-term' occupancy over multiple seasons, and effects of covariates on this

Hi Will, I don't know what particular model will fit/predict best here. Mostly, just saying this

unread,

Estimating 'long-term' occupancy over multiple seasons, and effects of covariates on this

Hi Will, I don't know what particular model will fit/predict best here. Mostly, just saying this

Apr 11

Christopher Dennison, … Jim Baldwin4

Apr 10

Stacking years in occupancy model and use of random effects

Afternoon Jim and Marc, Thank you both so much for your time and support. The range of years is 2021-

unread,

Stacking years in occupancy model and use of random effects

Afternoon Jim and Marc, Thank you both so much for your time and support. The range of years is 2021-

Apr 10

Christopher Dennison, Marc J. Mazerolle5

Apr 10

Question(s) regarding the output of mb.gof.test on global model.

I really appreciate your insight, Marc. Thank you! 🐦🌱 On Tue, Apr 9, 2024 at 9:26 PM Marc J.

unread,

Question(s) regarding the output of mb.gof.test on global model.

I really appreciate your insight, Marc. Thank you! 🐦🌱 On Tue, Apr 9, 2024 at 9:26 PM Marc J.

Apr 10

Apr 8

Issues with model fit for Dail-Madsen n mixture model

Hi there, I posted in another thread regarding the goodness-of-fit test for the Gompertz dynamics

unread,

Issues with model fit for Dail-Madsen n mixture model

Hi there, I posted in another thread regarding the goodness-of-fit test for the Gompertz dynamics

Apr 8

Carly Thompson, … Dilsad Dagtekin9

Apr 8

Seasonality as a covariate

Hi Carly, As an addition to Andy's inputs: if you coerce the data into an occupancy structure, I

unread,

Seasonality as a covariate

Hi Carly, As an addition to Andy's inputs: if you coerce the data into an occupancy structure, I

Apr 8

Josh Twining, … Christopher Dennison18

Apr 5

Error in .local(obj, coefficients, ...) : ncol(coefficients) == length(est) is not TRUE

This is an excellent insight! Thank you for your time and support, Ken. Much appreciated - Chris 🐦🌱

unread,

Error in .local(obj, coefficients, ...) : ncol(coefficients) == length(est) is not TRUE

This is an excellent insight! Thank you for your time and support, Ken. Much appreciated - Chris 🐦🌱

Apr 5

Danielle Ethier, Ken Kellner5

Apr 4

occuMulti predict versus predict ‘new’ interpretation.

That part of the vignette should probably be more clear that it's just plotting a comparison

unread,

occuMulti predict versus predict ‘new’ interpretation.

That part of the vignette should probably be more clear that it's just plotting a comparison

Apr 4

John-Lee Walker, … Marc Kery6

Apr 4

Distance sampling- possible issues with small sample size, any recourse?

Dear John, thanks for the information. Googled the thing and it looks neat. About the lack of fit.

unread,

Distance sampling- possible issues with small sample size, any recourse?

Dear John, thanks for the information. Googled the thing and it looks neat. About the lack of fit.

Apr 4

Olivia Meyers, Marc Kery3

Apr 3

Predictive occupancy modeling with non-extrapolatable detection covariates

Hi Marc, Thank you for the insight! All the best, Olivia On Thursday, March 28, 2024 at 12:56:47 PM

unread,

Predictive occupancy modeling with non-extrapolatable detection covariates

Hi Marc, Thank you for the insight! All the best, Olivia On Thursday, March 28, 2024 at 12:56:47 PM

Apr 3

Timothy Brown, … Marc Kery6

Apr 2

Correlation when using same covariate for detection and density

Dear all, ever since this paper I have known that in principle we can separate the effects of a

unread,

Correlation when using same covariate for detection and density

Dear all, ever since this paper I have known that in principle we can separate the effects of a

Apr 2

RM, … Marc J. Mazerolle5

Mar 29

Issues with Goodness of Fit for N-mixture model

Hi, Thank you Marc, I've sent you my R.data file. Do let me know if there's anything else I

unread,

Issues with Goodness of Fit for N-mixture model

Hi, Thank you Marc, I've sent you my R.data file. Do let me know if there's anything else I

Mar 29

Mar 27

Accounting for differences in reserve areas in "occuMulti"

Hello, I am attempting to use unmarked to model species interactions using the Rota et al. (2016)

unread,

Accounting for differences in reserve areas in "occuMulti"

Hello, I am attempting to use unmarked to model species interactions using the Rota et al. (2016)

Mar 27

Wouter Waenink, Ken Kellner4

Mar 25

Error when using non- intercept only state formula in occuMulti

Population closure is a key assumption of occupancy models. That is, the model assumes the occupancy

unread,

Error when using non- intercept only state formula in occuMulti

Population closure is a key assumption of occupancy models. That is, the model assumes the occupancy

Mar 25

Mar 19

Plot probability of detection against number of surveys using 'unmarked' package

I am trying to plot the probability of detection vs number of surveys following an pest eradication

unread,

Plot probability of detection against number of surveys using 'unmarked' package

I am trying to plot the probability of detection vs number of surveys following an pest eradication

Mar 19

Christina, … Marc J. Mazerolle13

Mar 14

how to modavgpred with obsCov

Hi Tanvi, Be careful to use the correct arguments. See ?aictab and other functions. To adjust

unread,

how to modavgpred with obsCov

Hi Tanvi, Be careful to use the correct arguments. See ?aictab and other functions. To adjust

Mar 14

Gabri Miret, Jose Jimenez Garcia-Herrera3

Mar 14

Error when fitting the same models with gdistsamp mixture "NB"

Dear José, thank you very much for the insight! I tried it and it worked for all but one species, so

unread,

Error when fitting the same models with gdistsamp mixture "NB"

Dear José, thank you very much for the insight! I tried it and it worked for all but one species, so

Mar 14

Rachel Townsend, … Tanvi Gurjar17

Mar 13

error in optim when fitting model in unmarkedframeoccumulti

Dear Ken, It seems that a covariate (Waterbody Age) had accidentally made it's way into the

unread,

error in optim when fitting model in unmarkedframeoccumulti

Dear Ken, It seems that a covariate (Waterbody Age) had accidentally made it's way into the

Mar 13

João Manuel Cordeiro Vale Pereira, Ken Kellner3

Mar 11

ubms N-mixture modelling help

Hi Ken, Thanks for the suggestions! I will try running some of the most problematic models in

unread,

ubms N-mixture modelling help

Hi Ken, Thanks for the suggestions! I will try running some of the most problematic models in

Mar 11

Mar 6

Query for data handling process

Dear Unmarked users, Good afternoon. I am reaching out to discuss a query I have regarding the N-

unread,

Query for data handling process

Dear Unmarked users, Good afternoon. I am reaching out to discuss a query I have regarding the N-

Mar 6

Giancarlo Sadoti, … Jim Baldwin19

Mar 4

manually fixing parameters?

My point way back then (and now) is that if one wanted to obtain the parameter estimates and AIC

unread,

manually fixing parameters?

My point way back then (and now) is that if one wanted to obtain the parameter estimates and AIC

Mar 4

Yasmin Emmott, … Mia Fitzpatrick5

Mar 2

Occu function - R Session aborting on singular line every time.

Hi Ken, I have emailed the RDS file to unma...@googlegroups.com Thanks, Mia On Saturday 2 March 2024

unread,

Occu function - R Session aborting on singular line every time.

Hi Ken, I have emailed the RDS file to unma...@googlegroups.com Thanks, Mia On Saturday 2 March 2024

Mar 2

Mia Fitzpatrick, Ken Kellner2

Mar 2

unmarked package help

I think the reason unmarked is crashing is you have no observations - your y matrix is entirely NAs.

unread,

unmarked package help

I think the reason unmarked is crashing is you have no observations - your y matrix is entirely NAs.

Mar 2

Vishnu Menon, Ken Kellner2

Feb 29

Weights in ubms colext model selection

I'd just ignore the weights and focus on elpd_diff and se_diff. I've seen several examples of

unread,

Weights in ubms colext model selection

I'd just ignore the weights and focus on elpd_diff and se_diff. I've seen several examples of

Feb 29

Huichang Yang, Marc Kery3

Feb 28

Literature on grouping species detections

Dear Marc, Not at all. This was super useful and interesting. I managed to produce (unsurprisingly)

unread,

Literature on grouping species detections

Dear Marc, Not at all. This was super useful and interesting. I managed to produce (unsurprisingly)

Feb 28

Shreya Ray, … Tanvi Gurjar12

Feb 27

Modelling detection probability in OccuMulti

Dear Ken, It works now, with 'as.matrix' instead of 'matrix', for some reason. Thank

unread,

Modelling detection probability in OccuMulti

Dear Ken, It works now, with 'as.matrix' instead of 'matrix', for some reason. Thank

Feb 27

Feb 27

IPM workshop, Spain, 14-18 October 2024

Dear all, here's a workshop about everything you always wanted to know about Integrated

unread,

IPM workshop, Spain, 14-18 October 2024

Dear all, here's a workshop about everything you always wanted to know about Integrated

Feb 27

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