distance-sampling

1–30 of 2314

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

0 selected

Kitty Mcmahon, Eric Rexstad3

Sep 17

no fields selected from the layer "region"

So the issue was that the file I was importing into distance was missing some columns with important

unread,

no fields selected from the layer "region"

So the issue was that the file I was importing into distance was missing some columns with important

Sep 17

Janet, … Laura Marshall5

Sep 13

Dsims error for run.simulation

Dear Lisa, Janet and List This was an issue with observations which occurred across stratum

unread,

Dsims error for run.simulation

Dear Lisa, Janet and List This was an issue with observations which occurred across stratum

Sep 13

Sailendra Tiwari, … Tiago Marques3

Sep 11

Distance Sampling in Pangolin Density Estimation

Hi Sailendra, Just to add to Eric's excellent points, that even if sampling was perfect in terms

unread,

Distance Sampling in Pangolin Density Estimation

Hi Sailendra, Just to add to Eric's excellent points, that even if sampling was perfect in terms

Sep 11

Sep 7

Introductory workshop in October, registration closes 22 Sept 2023

Summer (in northern hemisphere) holidays have (likely) drawn to a close 🌴, time to focus again upon

unread,

Introductory workshop in October, registration closes 22 Sept 2023

Summer (in northern hemisphere) holidays have (likely) drawn to a close 🌴, time to focus again upon

Sep 7

Michelle Bustamante, Eric Rexstad2

Sep 1

detection funtion extraction R

Michelle I understand your intention: you have one complete data set and a second "incomplete

unread,

detection funtion extraction R

Michelle I understand your intention: you have one complete data set and a second "incomplete

Sep 1

Jonathan Felis, Eric Rexstad2

Aug 31

plotting multiple covariates from a detection function model

Jon I'm slightly surprised you were able to fit a model with >20 parameters to begin with. I

unread,

plotting multiple covariates from a detection function model

Jon I'm slightly surprised you were able to fit a model with >20 parameters to begin with. I

Aug 31

Lukmann Haqeem, Eric Rexstad4

Aug 31

ds() not working on models with adjustment terms and convert_units

Lukmann Please to hear you have solved one of your problems. Regarding the computing time needed to

unread,

ds() not working on models with adjustment terms and convert_units

Lukmann Please to hear you have solved one of your problems. Regarding the computing time needed to

Aug 31

Alan Omar Bermúdez Cavero, Eric Rexstad2

Aug 30

Hello Alan In our software you have two choices for specifying the truncation distance: either an

unread,

Hello Alan In our software you have two choices for specifying the truncation distance: either an

Aug 30

Gemma Crossan, Eric Rexstad2

Aug 24

Detection probability and probability density plots

Gemma You used the function plot(<model object>) to make those plots, where <model object

unread,

Detection probability and probability density plots

Gemma You used the function plot(<model object>) to make those plots, where <model object

Aug 24

Aug 24

Multi-analysis distance sampling

Dear Distance samplers, We at CREEM are undertaking an impact evidence-gathering exercise around the

unread,

Multi-analysis distance sampling

Dear Distance samplers, We at CREEM are undertaking an impact evidence-gathering exercise around the

Aug 24

Aug 23

Call for hosting the International Statistical Ecology Conference (ISEC) in 2026

Dear colleagues (apologies for cross-posting), We are inviting expressions of interest to host the

unread,

Call for hosting the International Statistical Ecology Conference (ISEC) in 2026

Dear colleagues (apologies for cross-posting), We are inviting expressions of interest to host the

Aug 23

Aug 22

New versions of Distance and mrds packages

Dear distance-sampling list, We are pleased to announce the release of new versions of our R packages

unread,

New versions of Distance and mrds packages

Dear distance-sampling list, We are pleased to announce the release of new versions of our R packages

Aug 22

Aug 21

Online training workshop: camera trap distance sampling, 23-27 October 2023.

https://workshops.distancesampling.org/ctds-oct-2023 Several methods exist for analysis of camera

unread,

Online training workshop: camera trap distance sampling, 23-27 October 2023.

https://workshops.distancesampling.org/ctds-oct-2023 Several methods exist for analysis of camera

Aug 21

Ollie Bartlett, … Tiago Marques3

Aug 18

suitability of data for point sampling approach (/forgotten all my DS theory)

Hi Ollie, Sounds like a creative way of seeing your data and framing it into a Distance Sampling (DS)

unread,

suitability of data for point sampling approach (/forgotten all my DS theory)

Hi Ollie, Sounds like a creative way of seeing your data and framing it into a Distance Sampling (DS)

Aug 18

Aug 18

Widening participation scholarship application deadline Monday 21 August

Deadline for scholarship applications is Monday 21 August for the 09-20 October introductory distance

unread,

Widening participation scholarship application deadline Monday 21 August

Deadline for scholarship applications is Monday 21 August for the 09-20 October introductory distance

Aug 18

bipana sadadev, Eric Rexstad3

Aug 15

About size of the study region

Hi Eric, Thank you so much for the informative email. I really apprecriate it. Regards, Bipana On

unread,

About size of the study region

Hi Eric, Thank you so much for the informative email. I really apprecriate it. Regards, Bipana On

Aug 15

Aug 15

Intro distance sampling workshop (09-20 Oct): registration now open

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

unread,

Intro distance sampling workshop (09-20 Oct): registration now open

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

Aug 15

Jul 31

New job opportunities at Maine Department of Marine Resources

The Maine Department of Marine Resources is currently hiring many positions to fill out a new North

unread,

New job opportunities at Maine Department of Marine Resources

The Maine Department of Marine Resources is currently hiring many positions to fill out a new North

Jul 31

李治霖, Eric Rexstad2

Jul 26

Population closure when using using camera trap distance sampling (CTDS)

Zhilin Li The issue of population closure in camera trap studies must be considered regardless of the

unread,

Population closure when using using camera trap distance sampling (CTDS)

Zhilin Li The issue of population closure in camera trap studies must be considered regardless of the

Jul 26

Kammie Voves, Eric Rexstad2

Jul 21

Continuous Covariate

Kammie When using a continuous covariate in the detection function using Distance for Windows

unread,

Continuous Covariate

Kammie When using a continuous covariate in the detection function using Distance for Windows

Jul 21

Jul 20

Distance sampling design and simulation workshop

Online workshop: Practical design and simulation to optimise distance sampling surveys, 28-31 August

unread,

Distance sampling design and simulation workshop

Online workshop: Practical design and simulation to optimise distance sampling surveys, 28-31 August

Jul 20

Aymeric Hoyois, … Eric Rexstad7

Jul 19

Study of Monkeys in Bali

Abraham Have a look at slides 2-3 in our introductory workshop materials regarding numbers of

unread,

Study of Monkeys in Bali

Abraham Have a look at slides 2-3 in our introductory workshop materials regarding numbers of

Jul 19

Constanza Ordoñez, Eric Rexstad3

Jul 18

Coefficient of variation in DSM

Hi, Eric! thanks for the answer. Yes, I'm working with strip transect data. When I call the

unread,

Coefficient of variation in DSM

Hi, Eric! thanks for the answer. Yes, I'm working with strip transect data. When I call the

Jul 18

Guelin F, Eric Rexstad2

Jul 18

Internal error number 3022

Can you explain again the circumstances under which this problem arises? Am I correct in my

unread,

Internal error number 3022

Can you explain again the circumstances under which this problem arises? Am I correct in my

Jul 18

Suzy, Eric Rexstad5

Jul 10

Can estimate abundance and density for small data?

Dear Eric, Many thanks for your thoughts. Suzika On Mon, Jul 10, 2023 at 4:23 PM Eric Rexstad <

unread,

Can estimate abundance and density for small data?

Dear Eric, Many thanks for your thoughts. Suzika On Mon, Jul 10, 2023 at 4:23 PM Eric Rexstad <

Jul 10

Daniel Miranda González, Eric Rexstad3

Jul 4

How to estimate overlapping corners in equal spaced zigzag distance sampling

Dear Eric, Thanks for your quick response. You are right. We are repeating a survey with same survey

unread,

How to estimate overlapping corners in equal spaced zigzag distance sampling

Dear Eric, Thanks for your quick response. You are right. We are repeating a survey with same survey

Jul 4

Anna Kirby, … Eric Rexstad8

Jun 29

Anna I would not use precision as a model selection tool. Remember the bias-variance trade-off at the

unread,

Anna I would not use precision as a model selection tool. Remember the bias-variance trade-off at the

Jun 29

RM, … Dominik Marchowski4

Jun 20

Marine Range finder

Dear Dominik, Thanks for your recommendation. These indeed look very hi-tech! Cheers, Raph On Monday,

unread,

Marine Range finder

Dear Dominik, Thanks for your recommendation. These indeed look very hi-tech! Cheers, Raph On Monday,

Jun 20

Aditya Ghoshal, Eric Rexstad5

Jun 13

plotting detection function

Right. Also I just saw that varying my truncation distance by even 50 m does not make any appreciable

unread,

plotting detection function

Right. Also I just saw that varying my truncation distance by even 50 m does not make any appreciable

Jun 13

Jun 13

Registration for introductory workshop closes in 8 days (21Jun23)

Thanks to those who have already registered for the workshop taking place 10-21 July 2023. There are

unread,

Registration for introductory workshop closes in 8 days (21Jun23)

Thanks to those who have already registered for the workshop taking place 10-21 July 2023. There are

Jun 13

Search

Clear search

Close search

Google apps

Main menu