Groups
Conversations
All groups and messages
Send feedback to Google
Help
Sign in
Groups
distance-sampling
Conversations
About
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
Mark all as read
Report abusive group
0 selected
Kitty Mcmahon
,
Eric Rexstad
3
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 Marshall
5
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 Marques
3
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
Eric Rexstad
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 Rexstad
2
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 Rexstad
2
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 Rexstad
4
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 Rexstad
2
Aug 30
Truncation
Hello Alan In our software you have two choices for specifying the truncation distance: either an
unread,
Truncation
Hello Alan In our software you have two choices for specifying the truncation distance: either an
Aug 30
Gemma Crossan
,
Eric Rexstad
2
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
Len Thomas
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
Théo Michelot
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
Distance
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
Len Thomas
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 Marques
3
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
Eric Rexstad
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 Rexstad
3
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
Eric Rexstad
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
Erin Summers
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 Rexstad
2
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 Rexstad
2
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
Laura Marshall
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 Rexstad
7
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 Rexstad
3
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 Rexstad
2
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 Rexstad
5
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 Rexstad
3
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 Rexstad
8
Jun 29
Combining Data
Anna I would not use precision as a model selection tool. Remember the bias-variance trade-off at the
unread,
Combining Data
Anna I would not use precision as a model selection tool. Remember the bias-variance trade-off at the
Jun 29
RM
, …
Dominik Marchowski
4
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 Rexstad
5
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
Eric Rexstad
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