Publication profile
Publication profile
Alex Lenkoski
Name:
Alex Lenkoski
Title:
Forskningsleder / Research Leader
Phone:
(+47) +47 22 85 25 59 Mob: +47 457 72 349
Email:
lenkoski [at] nr [dot] no
Scientific areas:
Hierarchical bayesian modeling, Model uncertainty, Forecasting, Economics, finance and energy markets

Add to contacts (vCard) Show publications
Academic article
2022
Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). doi: 10.1002/qj.4403. 2022.
. 2020
Sovereign risk indices and bayesian theory averaging. Econometrics (ISSN 2225-1146). 8(2) doi: 10.3390/econometrics8020022. 2020.
. Multivariate Postprocessing Methods for High-Dimensional Seasonal Weather Forecasts. Journal of the American Statistical Association (ISSN 0162-1459). doi: 10.1080/01621459.2020.1769634. 2020.
. 2019
Rapid adjustment and post-processing of temperature forecast trajectories. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). doi: 10.1002/qj.3718. 2019.
. Measuring the strength of the theories of government size. Empirical Economics (ISSN 0377-7332). pp 1-38. doi: 10.1007/s00181-019-01718-0. 2019.
. 2018
Exact formulas for the normalizing constants of wishart distributions for graphical models. Annals of Statistics (ISSN 0090-5364). 46(1) pp 90-118. doi: 10.1214/17-AOS1543. 2018.
. 2015
Bayesian hierarchical modeling of extreme hourly precipitation in Norway. Environmetrics (ISSN 1180-4009). 26(2) pp 89-106. doi: 10.1002/env.2301. 2015. Fulltekst
. Bayesian motion estimation for dust aerosols. Annals of Applied Statistics (ISSN 1932-6157). 9(3) pp 1298-1327. doi: 10.1214/15-AOAS835. 2015.
. Shape from texture using locally scaled point processes. Image Analysis and Stereology (ISSN 1580-3139). 34(3) pp 161-170. doi: 10.5566/ias.1078. 2015.
. 2014
Efficient sampling of Gaussian graphical models using conditional Bayes factors. Stat (ISSN 2049-1573). 3(1) pp 326-336. doi: 10.1002/sta4.66. 2014. Fulltekst
. Two-Stage Bayesian Model Averaging in Endogenous Variable Models. Econometric Reviews (ISSN 0747-4938). 33(1-4) pp 122-151. doi: 10.1080/07474938.2013.807150. 2014. Fulltekst
. 2013
Multivariate probabilistic forecasting using Bayesian model averaging and copulas. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). 139(673) pp 982-991. doi: 10.1002/qj.2009. 2013.
. A Direct Sampler for G-Wishart Variates. Stat (ISSN 2049-1573). 2(1) pp 119-128. doi: 10.1002/sta4.23. 2013.
. 2012
Hierarchical Gaussian graphical models: Beyond reversible jump. Electronic Journal of Statistics (ISSN 1935-7524). 6 pp 2309-2331. doi: 10.1214/12-EJS746. 2012.
. Academic lecture
2022
Seasonal forecasts for Norway. HydroCEN webinar vannkraft og klima; Digitalt, 11/2/2022.
. Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. EGU General Assembly 2022; Wien og digitalt, 5/23/2022 - 5/27/2022.
. 2019
Rapid Adjustment of Forecast Trajectories: improving short-term forecast skill through statistical post-processing. European Geosciences Union General Assembly; Wien, 4/7/2019 - 4/12/2019. Omtale
. Rapid adjustment of weather forecast trajectories. Big Insight Lunch Meeting; Norsk Regnesentral, 5/8/2019.
. Using published bid/ask curves to error dress spot electricity prices. Det 20. norske statistikermøtet, 6/18/2019 - 6/20/2019.
. 2018
Improving forecasts through rapid updating of temperature trajectories and statistical post-processing. European Geosciences Union General Assembly; Wien, 4/8/2018 - 4/13/2018.
. Varsling av vær og klima i maskinlæringens tid. Hvor gode kan sesongvarslene bli? Kraftverkshydrologi og miljøforhold, 11/20/2018 - 11/21/2018.
. On developing general and efficient inference algorithms for complicated hierarchical models. 13th German Probability and Statistics Days; Freiburg, 2/28/2018.
. 2017
Probabilistic Forecasting of Temporal Trajectories of Regional Power Production. Forecasting and Risk Management for Renewable Energy; University Paris Diderot, Paris, 7/7/2017 - 7/9/2017.
. 2016
Error Dressing Published Bid/Ask Curves and Predictive Distributions of the Nord Pool System Spot Price. FlomQ – Workshop om flomestimering – Morgendagens teknologi; Trondheim, 5/24/2016 - 5/25/2016.
. Regional flood frequency analysis for Norway. Karlsruhe Insitute of Technology Stochastics Seminar, 5/17/2016.
. Regional flood frequency analysis for Norway. University of Exeter Statistics Seminar, 5/12/2016.
. 2014
Calibrated Probabilities and the Investigation of Soft Fraud in Automobile Insurance Claims. The 2014 International Conference of the Royal Statistical Society; Sheffield, 9/1/2014 - 9/4/2014.
. 2013
Geometric analysis of textured 3D scenes via locally scaled point processes. Joint Statistical Meeting; Montreal, 8/3/2013 - 8/8/2013.
. Efficient framework for Bayesian inference in locally scaled point processes. 11th European Congress of Stereology and Image Analysis; Kaiserslautern, 7/8/2013 - 7/12/2013.
. A Direct Sampler for G-Wishart Variates. Computational and Financial Economics 2013; London, 12/14/2013 - 12/16/2013.
. A Direct Sampler for G-Wishart Variates. European Seminar on Bayesian Econometrics 2013; Oslo, 8/22/2013 - 8/24/2013.
. Lecture
2022
Potensialet i data. NFR og KLD frokostmøte: Data og datadeling, 9/29/2022.
. Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Bjerknes Climate Prediction seminar; Bergen/Digitalt, 2/25/2022.
. Prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Faglig seminar - Climate Futures; Zoom, 2/15/2022.
. 2021
The Climate Futures Center for Research-based Innovation. Statkraft knowledge session; Oslo, 11/11/2021.
. 2016
Flomfrekvensanalyse for umålte felt. FlomQ workshop on flomestimering; Trondheim, 5/23/2016.
. Report
2022
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with assessment of uncertainty. Norsk Regnesentral. NR-notat SAMBA/12/22. pp 28. 2022.
. A Benchmarking Dataset for Seasonal Weather Forecasts. Norsk Regnesentral. NR-notat SAMBA/01/22. pp 10. 2022.
. 2021
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with assessment of uncertainty. Norsk Regnesentral. NR-notat SAMBA/29/21. pp 28. 2021.
. 2020
Trajectory adjustment of lagged seasonal forecast ensembles. Norsk Regnesentral. NR-notat SAMBA/19/20. pp 13. 2020.
. 2019
Stratospheric events and long-range Scandinavian winter surface temperature forecasts. Norsk Regnesentral. NR-notat SAMBA/21/19. pp 33. 2019.
. 2016
A time series model of frequency deviations. Norsk Regnesentral. NR-notat SAMBA/40/16. pp 53. 2016.
. What explains the frequency deviation? Norsk Regnesentral. NR-notat SAMBA/26/16. pp 202. 2016.
. 2015
A DLM for Predicting the Return of a Portfolio. Norsk Regnesentral. NR-notat SAMBA/26/15. pp 41. 2015.
. StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with Bid/Ask curve analysis -- Version 9.5. Norsk Regnesentral. NR-notat SAMBA/21/15. pp 56. 2015.
. Calibrated Probabilities and the Investigation of Soft Fraud in Automobile Insurance Claims. Norsk Regnesentral. NR-notat SAMBA/41/15. pp 25. 2015.
. 2014
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with Bid/Ask curve analysis -- Version 9.0. Norsk Regnesentral. NR-notat SAMBA/42/14. pp 58. 2014.
. StfSpot - Short Term forecasts of Demand, Renewable Production and Spot Price - Version 8.0. Norsk Regnesentral. NR-notat SAMBA/18/14. pp 47. 2014.
. Lecture notes on Bayesian inference. Norsk Regnesentral. NR-notat SAMBA/43/14. pp 82. 2014.
. Model for Detecting Soft Fraud in Travel Insurance Claims: Technical Documentation. Norsk Regnesentral. NR-notat SAMBA/56/14. pp 19. 2014.
. Calculation of Probabilities for Soft Fraud in Travel Insurance Claims. Norsk Regnesentral. NR-notat SAMBA/28/14. pp 11. 2014.
. A GARCH-NIG-Copula Model for Portfolio Optimization. Norsk Regnesentral. NR-notat SAMBA/50/14. pp 45. 2014.
. A Hedonic Forecasting System for Airbnb Bookings. Norsk Regnesentral. NR-notat SAMBA/12/14. pp 30. 2014.
. StfSpot - Short Term forecasts of Demand and Spot Price - Version 7.0. Norsk Regnesentral. NR-notat SAMBA/05/14. pp 54. 2014.
. Editorial
2016
Comments on: Of quantiles and expectiles: consistent scoring functions, Choquet representations and forecast rankings. Journal of The Royal Statistical Society Series B-statistical Methodology (ISSN 1369-7412). 78(3) pp 548. 2016.
. Interview
2021
Vinteren blir mild og strømmen blir dyr. 2021. Dagbladet [Avis] 11/24/2021.
. Programme management
2022
Episode 16: Climate Futures. Klimaprognoser for 10 dager til 10 år fram / Predicting climate risks 10 days to 10 years ahead. 2022. Fulltekst
.
.

Name: | Alex Lenkoski |
Title: | Forskningsleder / Research Leader |
Phone: | (+47) +47 22 85 25 59 Mob: +47 457 72 349 |
Email: | lenkoski [at] nr [dot] no |
Scientific areas: | Hierarchical bayesian modeling, Model uncertainty, Forecasting, Economics, finance and energy markets |
![]() | Add to contacts (vCard) |
Show publications |
Academic article
2022
Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). doi: 10.1002/qj.4403. 2022.
. 2020
Sovereign risk indices and bayesian theory averaging. Econometrics (ISSN 2225-1146). 8(2) doi: 10.3390/econometrics8020022. 2020.
. Multivariate Postprocessing Methods for High-Dimensional Seasonal Weather Forecasts. Journal of the American Statistical Association (ISSN 0162-1459). doi: 10.1080/01621459.2020.1769634. 2020.
. 2019
Rapid adjustment and post-processing of temperature forecast trajectories. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). doi: 10.1002/qj.3718. 2019.
. Measuring the strength of the theories of government size. Empirical Economics (ISSN 0377-7332). pp 1-38. doi: 10.1007/s00181-019-01718-0. 2019.
. 2018
Exact formulas for the normalizing constants of wishart distributions for graphical models. Annals of Statistics (ISSN 0090-5364). 46(1) pp 90-118. doi: 10.1214/17-AOS1543. 2018.
. 2015
Bayesian hierarchical modeling of extreme hourly precipitation in Norway. Environmetrics (ISSN 1180-4009). 26(2) pp 89-106. doi: 10.1002/env.2301. 2015. Fulltekst
. Bayesian motion estimation for dust aerosols. Annals of Applied Statistics (ISSN 1932-6157). 9(3) pp 1298-1327. doi: 10.1214/15-AOAS835. 2015.
. Shape from texture using locally scaled point processes. Image Analysis and Stereology (ISSN 1580-3139). 34(3) pp 161-170. doi: 10.5566/ias.1078. 2015.
. 2014
Efficient sampling of Gaussian graphical models using conditional Bayes factors. Stat (ISSN 2049-1573). 3(1) pp 326-336. doi: 10.1002/sta4.66. 2014. Fulltekst
. Two-Stage Bayesian Model Averaging in Endogenous Variable Models. Econometric Reviews (ISSN 0747-4938). 33(1-4) pp 122-151. doi: 10.1080/07474938.2013.807150. 2014. Fulltekst
. 2013
Multivariate probabilistic forecasting using Bayesian model averaging and copulas. Quarterly Journal of the Royal Meteorological Society (ISSN 0035-9009). 139(673) pp 982-991. doi: 10.1002/qj.2009. 2013.
. A Direct Sampler for G-Wishart Variates. Stat (ISSN 2049-1573). 2(1) pp 119-128. doi: 10.1002/sta4.23. 2013.
. 2012
Hierarchical Gaussian graphical models: Beyond reversible jump. Electronic Journal of Statistics (ISSN 1935-7524). 6 pp 2309-2331. doi: 10.1214/12-EJS746. 2012.
. Academic lecture
2022
Seasonal forecasts for Norway. HydroCEN webinar vannkraft og klima; Digitalt, 11/2/2022.
. Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. EGU General Assembly 2022; Wien og digitalt, 5/23/2022 - 5/27/2022.
. 2019
Rapid Adjustment of Forecast Trajectories: improving short-term forecast skill through statistical post-processing. European Geosciences Union General Assembly; Wien, 4/7/2019 - 4/12/2019. Omtale
. Rapid adjustment of weather forecast trajectories. Big Insight Lunch Meeting; Norsk Regnesentral, 5/8/2019.
. Using published bid/ask curves to error dress spot electricity prices. Det 20. norske statistikermøtet, 6/18/2019 - 6/20/2019.
. 2018
Improving forecasts through rapid updating of temperature trajectories and statistical post-processing. European Geosciences Union General Assembly; Wien, 4/8/2018 - 4/13/2018.
. Varsling av vær og klima i maskinlæringens tid. Hvor gode kan sesongvarslene bli? Kraftverkshydrologi og miljøforhold, 11/20/2018 - 11/21/2018.
. On developing general and efficient inference algorithms for complicated hierarchical models. 13th German Probability and Statistics Days; Freiburg, 2/28/2018.
. 2017
Probabilistic Forecasting of Temporal Trajectories of Regional Power Production. Forecasting and Risk Management for Renewable Energy; University Paris Diderot, Paris, 7/7/2017 - 7/9/2017.
. 2016
Error Dressing Published Bid/Ask Curves and Predictive Distributions of the Nord Pool System Spot Price. FlomQ – Workshop om flomestimering – Morgendagens teknologi; Trondheim, 5/24/2016 - 5/25/2016.
. Regional flood frequency analysis for Norway. Karlsruhe Insitute of Technology Stochastics Seminar, 5/17/2016.
. Regional flood frequency analysis for Norway. University of Exeter Statistics Seminar, 5/12/2016.
. 2014
Calibrated Probabilities and the Investigation of Soft Fraud in Automobile Insurance Claims. The 2014 International Conference of the Royal Statistical Society; Sheffield, 9/1/2014 - 9/4/2014.
. 2013
Geometric analysis of textured 3D scenes via locally scaled point processes. Joint Statistical Meeting; Montreal, 8/3/2013 - 8/8/2013.
. Efficient framework for Bayesian inference in locally scaled point processes. 11th European Congress of Stereology and Image Analysis; Kaiserslautern, 7/8/2013 - 7/12/2013.
. A Direct Sampler for G-Wishart Variates. Computational and Financial Economics 2013; London, 12/14/2013 - 12/16/2013.
. A Direct Sampler for G-Wishart Variates. European Seminar on Bayesian Econometrics 2013; Oslo, 8/22/2013 - 8/24/2013.
. Lecture
2022
Potensialet i data. NFR og KLD frokostmøte: Data og datadeling, 9/29/2022.
. Probabilistic prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Bjerknes Climate Prediction seminar; Bergen/Digitalt, 2/25/2022.
. Prediction of the time to hard freeze using seasonal weather forecasts and survival time methods. Faglig seminar - Climate Futures; Zoom, 2/15/2022.
. 2021
The Climate Futures Center for Research-based Innovation. Statkraft knowledge session; Oslo, 11/11/2021.
. 2016
Flomfrekvensanalyse for umålte felt. FlomQ workshop on flomestimering; Trondheim, 5/23/2016.
. Report
2022
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with assessment of uncertainty. Norsk Regnesentral. NR-notat SAMBA/12/22. pp 28. 2022.
. A Benchmarking Dataset for Seasonal Weather Forecasts. Norsk Regnesentral. NR-notat SAMBA/01/22. pp 10. 2022.
. 2021
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with assessment of uncertainty. Norsk Regnesentral. NR-notat SAMBA/29/21. pp 28. 2021.
. 2020
Trajectory adjustment of lagged seasonal forecast ensembles. Norsk Regnesentral. NR-notat SAMBA/19/20. pp 13. 2020.
. 2019
Stratospheric events and long-range Scandinavian winter surface temperature forecasts. Norsk Regnesentral. NR-notat SAMBA/21/19. pp 33. 2019.
. 2016
A time series model of frequency deviations. Norsk Regnesentral. NR-notat SAMBA/40/16. pp 53. 2016.
. What explains the frequency deviation? Norsk Regnesentral. NR-notat SAMBA/26/16. pp 202. 2016.
. 2015
A DLM for Predicting the Return of a Portfolio. Norsk Regnesentral. NR-notat SAMBA/26/15. pp 41. 2015.
. StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with Bid/Ask curve analysis -- Version 9.5. Norsk Regnesentral. NR-notat SAMBA/21/15. pp 56. 2015.
. Calibrated Probabilities and the Investigation of Soft Fraud in Automobile Insurance Claims. Norsk Regnesentral. NR-notat SAMBA/41/15. pp 25. 2015.
. 2014
StfSpot -- Short Term forecasts of Demand, Renewable Production and Spot Price with Bid/Ask curve analysis -- Version 9.0. Norsk Regnesentral. NR-notat SAMBA/42/14. pp 58. 2014.
. StfSpot - Short Term forecasts of Demand, Renewable Production and Spot Price - Version 8.0. Norsk Regnesentral. NR-notat SAMBA/18/14. pp 47. 2014.
. Lecture notes on Bayesian inference. Norsk Regnesentral. NR-notat SAMBA/43/14. pp 82. 2014.
. Model for Detecting Soft Fraud in Travel Insurance Claims: Technical Documentation. Norsk Regnesentral. NR-notat SAMBA/56/14. pp 19. 2014.
. Calculation of Probabilities for Soft Fraud in Travel Insurance Claims. Norsk Regnesentral. NR-notat SAMBA/28/14. pp 11. 2014.
. A GARCH-NIG-Copula Model for Portfolio Optimization. Norsk Regnesentral. NR-notat SAMBA/50/14. pp 45. 2014.
. A Hedonic Forecasting System for Airbnb Bookings. Norsk Regnesentral. NR-notat SAMBA/12/14. pp 30. 2014.
. StfSpot - Short Term forecasts of Demand and Spot Price - Version 7.0. Norsk Regnesentral. NR-notat SAMBA/05/14. pp 54. 2014.
. Editorial
2016
Comments on: Of quantiles and expectiles: consistent scoring functions, Choquet representations and forecast rankings. Journal of The Royal Statistical Society Series B-statistical Methodology (ISSN 1369-7412). 78(3) pp 548. 2016.
. Interview
2021
Vinteren blir mild og strømmen blir dyr. 2021. Dagbladet [Avis] 11/24/2021.
. Programme management
2022
Episode 16: Climate Futures. Klimaprognoser for 10 dager til 10 år fram / Predicting climate risks 10 days to 10 years ahead. 2022. Fulltekst
.
.