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Jüri Roots

Researcher at Estonian University of Life Sciences

Publications -  11
Citations -  103

Jüri Roots is an academic researcher from Estonian University of Life Sciences. The author has contributed to research in topics: Econometric model & Diesel engine. The author has an hindex of 5, co-authored 11 publications receiving 86 citations.

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A PCA–DEA approach to measure the quality of life in Estonian counties

TL;DR: This paper investigates the application of a PCA–DEA model to assess the quality of life (QOL) scores in Estonian counties and analyses the model's results.
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Cylinder Pressure Characteristics of Turbocharged and Naturally Aspirated Diesel Engines

TL;DR: In this paper, the authors analyzed the ways of air charge formation in the diesel engine as well as the principles of cylinder pressure change during the combustion process as test objects, diesel engines of analogous constructional parameters but of different air charge have been chosen.

Estimating econometric model of average total milk cost: a support vector machine regression approach

TL;DR: An overview of the basic ideas underlying support vector machines (SVM) for regression and function estimation is given and possibilities of application of SVM regression in rural areas are discussed.
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Medium-run projections for greenhouse gas emissions arising from agriculture: the case of milk production in Estonia

TL;DR: In this paper, the authors analyzed the medium-term (2015−2020) projections for milk production and associated GHG emissions from dairy cows in Estonia and demonstrated the endogenisation of GHG emission factors in a relatively general agricultural market model context.
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Using a nonlinear stochastic model to schedule silage maize harvesting on Estonian farms

TL;DR: In this paper, a simple nonlinear stochastic mathematical model is used to schedule the harvesting of silage maize on Estonian farms, and the model performance is analyzed, specifying the harvest date, the variable productivity of harvesting machines and the different density functions of the time of first night frosts.