distance-sampling

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Welcome to the distance sampling e-mail list.

This is a place to ask questions about distance sampling methodology as well as software.

More information on distance sampling can be found at http://distancesampling.org

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Jan 27

Camera trap distance sampling workshop, 3-7 April 2023

Online training workshop: camera trap distance sampling, 3-7 April 2023. https://workshops.

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Camera trap distance sampling workshop, 3-7 April 2023

Online training workshop: camera trap distance sampling, 3-7 April 2023. https://workshops.

Jan 27

Jan 27

{Disarmed} Intro workshop 20-31 Mar 2023: widening participation scholarship open now, registration next week

Interactive introductory distance sampling training The University of St Andrews has been training

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{Disarmed} Intro workshop 20-31 Mar 2023: widening participation scholarship open now, registration next week

Interactive introductory distance sampling training The University of St Andrews has been training

Jan 27

Lianne Koczur, … Eric Rexstad7

Jan 26

Rare Species Modeling

Brian Your questions about numbers of detections to fit reliable detection function models to point

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Rare Species Modeling

Brian Your questions about numbers of detections to fit reliable detection function models to point

Jan 26

Nidhi Agarwal, … Barbara Haurez10

Jan 24

Problem with Distance 7.4

Dear Eric, Thank you very much for your advice. My colleague had the same problem, but with another

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Problem with Distance 7.4

Dear Eric, Thank you very much for your advice. My colleague had the same problem, but with another

Jan 24

chaona phiri, … Len Thomas4

Jan 17

DSM - mexican dolphins example

Thank you both, I have managed now. The issue was the version of dsm which couldn't load because

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DSM - mexican dolphins example

Thank you both, I have managed now. The issue was the version of dsm which couldn't load because

Jan 17

mitchel...@gmail.com, Len Thomas3

Jan 13

Mark-recapture MCDS with gamma key function questions

Hi Len, I've sent you the data and code. Yes, let's post a summary of findings to the list.

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Mark-recapture MCDS with gamma key function questions

Hi Len, I've sent you the data and code. Yes, let's post a summary of findings to the list.

Jan 13

Greg Forcey, Eric Rexstad4

Jan 11

detfct not working on models with adjustment terms

Eric, this seems to work. Thank you very much. On Wednesday, January 11, 2023 at 5:58:29 AM UTC-5

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detfct not working on models with adjustment terms

Eric, this seems to work. Thank you very much. On Wednesday, January 11, 2023 at 5:58:29 AM UTC-5

Jan 11

Jan 11

Design and Simulation R packages

Dear Distance Users, As you likely know, we offer R packages for distance sampling survey design and

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Design and Simulation R packages

Dear Distance Users, As you likely know, we offer R packages for distance sampling survey design and

Jan 11

Nazira Reyes, Eric Rexstad2

12/20/22

analysis in the relation between density and abundance of birds and value of ndvi

Nazira Welcome to the list. The R package Distance will allow you to examine the effect of features

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analysis in the relation between density and abundance of birds and value of ndvi

Nazira Welcome to the list. The R package Distance will allow you to examine the effect of features

12/20/22

fernanda...@gmail.com, Eric Rexstad4

12/16/22

Post-stratification in the context of a control/treatment experimental design

Fernanda Fitting six detections functions (one for each survey/treatment combination) requires the

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Post-stratification in the context of a control/treatment experimental design

Fernanda Fitting six detections functions (one for each survey/treatment combination) requires the

12/16/22

Nadia C., Eric Rexstad3

12/15/22

Difference distance sampling software for Windows and R package

Nadia Adding to my comment from yesterday. If you wish to replicate the detection function modelling

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Difference distance sampling software for Windows and R package

Nadia Adding to my comment from yesterday. If you wish to replicate the detection function modelling

12/15/22

Vedika Dutta, … Eric Rexstad6

12/9/22

Using dht2 function with binned data

List: After some investigation, we got to the bottom of Vaughn's problems with bootdht . The

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Using dht2 function with binned data

List: After some investigation, we got to the bottom of Vaughn's problems with bootdht . The

12/9/22

12/9/22

Distance software support staffing

Dear distance-sampling list, Just to let you know about a change in personnel here at the Distance

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Distance software support staffing

Dear distance-sampling list, Just to let you know about a change in personnel here at the Distance

12/9/22

chaona phiri, Eric Rexstad4

12/2/22

distancesampling.org Website down?

Quite unusual Chaona. Still no problem when I try to connect to our distancesampling.org sites. Can

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distancesampling.org Website down?

Quite unusual Chaona. Still no problem when I try to connect to our distancesampling.org sites. Can

12/2/22

Jéssica Melo, … Stephen Buckland10

11/30/22

selecting a model with very different results

4% isn't excessive so it may well be that your true detection function is fairly spiked. That

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selecting a model with very different results

4% isn't excessive so it may well be that your true detection function is fairly spiked. That

11/30/22

Janet, Eric Rexstad3

11/29/22

multiple surveys in dsims

Thanks for this advice! Thats the approach we did wind up taking. On Saturday, November 19, 2022 at

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multiple surveys in dsims

Thanks for this advice! Thats the approach we did wind up taking. On Saturday, November 19, 2022 at

11/29/22

Samantha Ball, Eric Rexstad2

11/18/22

meaning of 'Total' in stratified dht2

Good morning Sam. Sharp eye in examining your output. If your interest rests in the seasonal

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meaning of 'Total' in stratified dht2

Good morning Sam. Sharp eye in examining your output. If your interest rests in the seasonal

11/18/22

11/17/22

January 2023 Introductory distance sampling workshop, registration closes 30 Nov

A reminder that registration for the remaining handful of places in the 09-20 January training

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January 2023 Introductory distance sampling workshop, registration closes 30 Nov

A reminder that registration for the remaining handful of places in the 09-20 January training

11/17/22

11/16/22

R package releases - dht2 important information

Dear Distance Users, We are pleased to announce the imminent release of the Distance 1.0.7 and mrds

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R package releases - dht2 important information

Dear Distance Users, We are pleased to announce the imminent release of the Distance 1.0.7 and mrds

11/16/22

Gregory Pap, … Eric Howe3

11/11/22

Multiplier Activity

Gregory, "Sample fraction" usually refers to the fraction of a circle monitored, as the

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Multiplier Activity

Gregory, "Sample fraction" usually refers to the fraction of a circle monitored, as the

11/11/22

Janet, Laura Marshall2

11/3/22

Dsims error for run.simulation

Hi Janet, This sounds like an issue with the data generation in dsims, the error is then generated at

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Dsims error for run.simulation

Hi Janet, This sounds like an issue with the data generation in dsims, the error is then generated at

11/3/22

PABLO PALENCIA MAYORDOMO, … Len Thomas4

11/3/22

Adjustment terms

Hi Eric and Len, Thank a lot for your response. I got it :) Actually, I already saw the lecture you

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Adjustment terms

Hi Eric and Len, Thank a lot for your response. I got it :) Actually, I already saw the lecture you

11/3/22

Estefania Isabel Muñoz Salas, Eric Rexstad2

10/26/22

Point transects-Multi-species survey

Estefanía Thanks for your questions. The answer to the first is easy, the answer to the second is not

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Point transects-Multi-species survey

Estefanía Thanks for your questions. The answer to the first is easy, the answer to the second is not

10/26/22

Janet, Eric Rexstad3

10/21/22

plus sampling and calculation of line length and coverage scores

I see - It makes sense that coverage is only calculated within the region. Thanks for the response!

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plus sampling and calculation of line length and coverage scores

I see - It makes sense that coverage is only calculated within the region. Thanks for the response!

10/21/22

Janet, Eric Rexstad3

10/21/22

How to import a density layer rather than create from scratch with make.density

Thanks Eric, I think I will keep it simple and just replicate the existing density layer with the

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How to import a density layer rather than create from scratch with make.density

Thanks Eric, I think I will keep it simple and just replicate the existing density layer with the

10/21/22

Camille Ollier, Eric Rexstad2

10/21/22

Number of covariates - MRDS

Camille The issue of covariates differs between conventional distance sampling (of which I spoke

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Number of covariates - MRDS

Camille The issue of covariates differs between conventional distance sampling (of which I spoke

10/21/22

Evan Curtis, Eric Rexstad7

10/21/22

How to view component percentages of variance in R

Evan For your information: the distance development group is reviewing the variance estimation

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How to view component percentages of variance in R

Evan For your information: the distance development group is reviewing the variance estimation

10/21/22

10/18/22

{Disarmed} Introductory distance sampling training workshop 09-20 Jan 2023; registration now open

Interactive introductory distance sampling training The University of St Andrews has been training

unread,

{Disarmed} Introductory distance sampling training workshop 09-20 Jan 2023; registration now open

Interactive introductory distance sampling training The University of St Andrews has been training

10/18/22

10/13/22

Upcoming distance sampling workshops - registration open

Dear distance sampling list, Just a reminder that registration for the following two workshops closes

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Upcoming distance sampling workshops - registration open

Dear distance sampling list, Just a reminder that registration for the following two workshops closes

10/13/22

Anukul Nath, Len Thomas2

10/11/22

mrds multiplier option

Hi Anukul, I think you're looking for the dht2 function in the Distance package. It has an

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mrds multiplier option

Hi Anukul, I think you're looking for the dht2 function in the Distance package. It has an

10/11/22

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