Skip to main content

EN
ÍS

Forsíða

Forsíða

Gunnar Stefánsson - Prófessor emeritus

Gunnar Stefánsson

–

Verkfræði- og náttúruvísindasvið

Gunnar Stefánsson

Prófessor emeritus

Professor í tölfræði

Aðsetur
Tæknigarður / Tg-218
Sími
5255915
Tölvupóstur
gunnar [hjá] hi.is

Starfseining
Raunvísindadeild
Vefsíða
http://www.hi.is/~gunnar
Ritaskrá
Gunnar Stefánsson - ritaskrá

ORCID vefsíða
https://orcid.org/0000-0002-2693-9142
Rannsóknagátt – Gunnar Stefánsson

Show Útgefið efni

2024

On-chain Services for Education in Slums and Refugee CampsInternational Journal of Learning and Teaching
Using the Open Source Collaborative Model for Digital Educational Content
Where does money matter more?Journal of Economic Behavior and Organization
OPENEDUCATIONHUBUPB Scientific Bulletin, Series C: Electrical Engineering and Computer Science

2023

USER EXPERIENCE WITH EDUCATIONAL TECHNOLOGY IN AFRICAN SLUMS

2022

Spatiotemporal variation in fishing patterns and fishing pressure in Lake Victoria (East Africa) in relation to balanced harvestFisheries Research
MATHEMATICS AND INCENTIVES IN THE SLUMS

2021

LEARNING AND EVALUATION WITHOUT ACCESS TO SCHOOLS DURING COVID-19INTED 2021 Proceedings
THE EFFECT OF THE NUMBER OF DISTRACTORS AND THE "NONE OF THE ABOVE" - "ALL OF THE ABOVE" OPTIONS IN MULTIPLE CHOICE QUESTIONS.INTED 2021 Proceedings
Using real data for statistics education in an open-source learning environmentTeaching Statistics
Corrigendum Estimating Fmsy from an ensemble of data sources to account for density dependence in Northeast Atlantic fish stocksICES Journal of Marine Science
Estimating F_msy from an ensemble of data sources to account for density dependence in Northeast Atlantic fish stocksICES Journal of Marine Science
IDENTIFYING ROTE LEARNING AND THE SUPPORTING EFFECTS OF HINTS IN DRILLS.INTED 2021 Proceedings

2020

Simulating trade-offs between socio-economic and conservation objectives for Lake Victoria (East Africa) using multispecies, multifleet ecosystem modelsFisheries Research
Ecosystem modelling of data-limited fisheriesJournal of Great Lakes Research
Comparison and evaluation of approaches aimed at correcting or reducing selectivity bias in growth parameter estimates for fishesFisheries Research
Catch-quota matching allowances balance economic and ecological targets in a fishery managed by individual transferable quotaProceedings of the National Academy of Sciences of the United States of America

2019

Ecosystem models of Lake Victoria (East Africa)Journal of Great Lakes Research
Understanding ontogenetic and temporal variability of Eastern Baltic cod diet using a multispecies model and stomach dataFisheries Research
Learning Wherever, Whenever: Education in a Suitcase.EDULEARN19 Proceedings
Aspects of both growth and selectivity affect growth parameter estimation biasFisheries Research
Implementing the Ecosystem Approach to Fisheries ManagementFisheries Research
Drivers of growth for Atlantic cod (Gadus morhua L.) in Icelandic waters – A Bayesian approach to determine spatiotemporal variation and its causesJournal of Fish Biology
From Multiple-Choice Through Free-Text Submissions and Qualitative Peer-Reviews To Grading Students and Reviewers.INTED2019 Proceedings

2018

Evaluation of ptarmigan management with a population reconstruction modelJournal of Wildlife Management
Evaluating the effectiveness of real-time closures for reducing susceptibility of small fish to captureICES Journal of Marine Science
End-to-end model of Icelandic waters using the Atlantis framework: Exploring system dynamics and model reliabilityFisheries Research
Applying System Analysis and System Dynamics Modelling In Complex Research Projects - The Case Of VALUMICSInternational Journal on Food System Dynamics

2017

Detection of a changepoint, a mean-shift accompanied with a trend change, in short time-series with autocorrelationCommunications in Statistics: Simulation and Computation
From Smileys to Smileycoins: Using a Cryptocurrency in EducationLedger
Difference in learning among students doing pen-and-paper homework compared to web-based homework in an introductory statistics courseJournal of Statistics Education
EVIDENCE-BASED TECHNOLOGY TO ENHANCE MATHEMATICS EDUCATION FROM ICELAND TO KENYA.NTED2017 Proceedings
Prediction of Lake Victoria's response to varied fishing regimes using the Atlantis ecosystem modelFisheries Research

2016

Optimized Sampling Strategies for Identifying Modes in Length-frequency DistributionsCommunications in Statistics: Simulation and Computation
Simulation of Lake Victoria circulation patterns using the regional ocean Modeling system (ROMS)PLoS ONE
Exploring Lake Victoria ecosystem functioning using the Atlantis modeling frameworkEnvironmental Modelling and Software

2015

The effect of SNPs on expression levels in Nimblegen RNA expression microarraysInternational Journal of Data Mining and Bioinformatics
A competitive coevolution scheme inspired by DE
Development and use of an adaptive learning environment to research online study behaviourEducational Technology and Society
Design and Analysis of Experiments Linking on-line Drilling Methods to Improvements in KnowledgeJournal of Statistical Science and Application

2014

A method for detecting long non-coding RNAs with tiled RNA expression microarraysPLoS ONE
Temporal trends of contaminants in cod from icelandic watersScience of the Total Environment
A mobile web for enhancing statistics and mathematics educationICOTS 9 proceedings
A small-scale comparison of Iceland scallop size distributions obtained from a camera based autonomous underwater vehicle and dredge surveyPLoS ONE
A bootstrap method for estimating bias and variance in statistical fisheries modelling frameworks using highly disparate datasetsAfrican Journal of Marine Science
The relationship between parasites and spleen and bursa mass in the Icelandic Rock Ptarmigan Lagopus mutaJournal of Ornithology
From evaluation to learningComputers and Education

2013

The Tutor-Web for Math and Stats: A Content Storage and Drilling SystemJSM Proceedings: American Statistical Association
Könnunarpróf nýnema í stærðfræði við Háskóla ÍslandsTímarit um menntarannsóknir
ENHANCED LEARNING WITH WEB-ASSISTED EDUCATION: THE TUTOR-WEB.EDULEARN13
Spatial and temporal trends of contaminants in mussel sampled around the Icelandic coastlineScience of the Total Environment
A camera-based autonomous underwater vehicle sampling approach to quantify scallop abundanceJournal of Shellfish Research

2012

Habitat preference of sea cucumbersJournal of the Marine Biological Association of the United Kingdom
Present status of the commercial sea cucumber fishery off the north-west and east coasts of Sri LankaJournal of the Marine Biological Association of the United Kingdom

2011

First implementation of a Gadget model for the analysis of hake in the MediterraneanFisheries Research
A case study of sampling strategies for estimating the length composition of commercial catchesCrustaceana
The potential use of a Gadget model to predict stock responses to climate change in combination with Bayesian networks: the case of Bay of Biscay anchovyICES Journal of Marine Science
A freely available cyber-university for personalized educationEdulearn11
Robustness of fish assemblages derived from three hierarchical agglomerative clustering algorithms performed on Icelandic groundfish survey dataICES Journal of Marine Science
Web-assisted education: From evaluation to learningJournal of Instructional Psychology

2010

Reproductive biology of the commercial sea cucumber holothuria atra (holothuroideaInvertebrate Reproduction and Development
On building a web-based university US-China Educational Review
Abundance and distribution of commercial sea cucumber species in the coastal waters of Sri LankaAquatic Living Resources

2009

Interactive quizzes for continuous learning and evaluation
Identification and classification of expressed RNA probes in microarray experiments Joint Statistical Meetings (JSM) proceedings, Biometrics Section
The tutor-web, a step towards building an active web based university
Greining á framförum nemenda innan vefkerfis sem býður upp á gagnvirk krossaprófRAUST - Tímarit um raunvísindi og stærðfræði

2008

Bathymetric preferences of juvenile European hake (Merluccius merluccius)ICES Journal of Marine Science
On the use of tagging data in statistical multispecies multi-area models of marine populationsICES Journal of Marine Science

2007

A simple implementation of the statistical modelling framework Gadget for cod in Icelandic watersAfrican Journal of Marine Science

2006

Decimals in data valuesActa Ophthalmologica Scandinavica
Designing marine protected areas for migrating fish stocksJournal of Fish Biology

2005

Combining control measures for more effective management of fisheries under uncertaintyPhilosophical Transactions of the Royal Society B: Biological Sciences

2004

Examining the importance of consistency in multi-vessel trawl survey design based on the U.S. west coast groundfish bottom trawl surveyFisheries Research
The tutor-webComputers and Education
A model for categorical length data from groundfish surveysCanadian Journal of Fisheries and Aquatic Sciences
Analysis of cod catch data from Icelandic groundfish surveys using generalized linear modelsFisheries Research
When can marine reserves improve fisheries management?Ocean and Coastal Management

2003

Issues in multispecies modelsNatural Resource Modeling
Mat á lengdardreifingumRAUST - Tímarit um raunvísindi og stærðfræði

2001

Estimating uncertainty in fish stock assessment and forecastingFish and Fisheries

2000

Spatial variation in abundance, size composition and viable egg production of spawning cod (Gadus morhua L.) in Icelandic watersICES Journal of Marine Science

1999

Growth and maturation of haddock (Melanogrammus aeglefinus) in Icelandic watersJournal of Northwest Atlantic Fishery Science
Management of summer-spawning herring off IcelandICES Journal of Marine Science

1998

Aspects of the ecology of a Boreal systemICES Journal of Marine Science
Points of viewReviews in Fish Biology and Fisheries
Rational harvesting of the cod-capelin-shrimp complex in the Icelandic marine ecosystemFisheries Research

1997

On dynamic interactions between some fish resources and cetaceans off Iceland based on a simulation modelJournal of Northwest Atlantic Fishery Science
Potential collapse of North Sea cod stocksNature
Utilization of the icelandic cod stock in a multispecies contextMarine Resource Economics
Statistical evaluation and modelling of the stomach contents of icelandic cod (Gadus morhua)Canadian Journal of Fisheries and Aquatic Sciences

1996

Analysis of groundfish survey abundance dataICES Journal of Marine Science
On the rational utilization of the Icelandic cod stockICES Journal of Marine Science

1993

Stock'related changes in biological parameters of the Icelandic summer'Spawning herringFisheries Oceanography
Definition of the problem of estimating fish abundance over an area from acoustic line-transect measurements of densityICES Journal of Marine Science

1989

A feedback strategy to regulate catches from a whale stockReports - International Whaling Commission, Special Issue
Icelandic groundfish survey data used to improve precision in stock assessmentsJournal of Northwest Atlantic Fishery Science

Sérsvið:

Tölfræði og hagnýtingar hennar

Líkön innan kennslu og fiskifræði

Rafmyntin Broskallar