Browsing Moksliniai ir apžvalginiai straipsniai / Research and Review Articles by Study direction "A03 - Statistika / Statistics"

Now showing items 1-7 of 7

    • Application of information-sharing for resilient and sustainable food delivery in last-mile logistics 

      Gružauskas, Valentas; Burinskienė, Aurelija; Kriščiūnas, Andrius (Mathematics, 2023)
      The growing food demand, the tendency for organic food, and the adaptation of the e-commerce business model require new food supply chain management approaches. On the one hand, 30% of the world’s produced food is wasted, ...

    • Coherence coefficient for official statistics 

      Krapavickaitė, Danutė (Mathematics: Special issue: Time series analysis and econometrics with applications, 2022)
      One of the quality requirements in official statistics is coherence of statistical information across domains, in time, in national accounts, and internally. However, no measure of its strength is used. The concept of ...

    • Estimation of the number of residents included in a population frame 

      Krapavickaitė, Danutė (Statistics in transition new series, 2021)
      A high migration rate of a population causes the number of a country’s residents to become extremely volatile, which negatively affects the quality of population frames. The aim of the paper is to present a method for ...

    • Impact of stratum composition changes on the accuracy of the estimates in a sample survey 

      Krapavickaitė, Danutė (Mathematics: Special isue: Advances in computational statistics and applications, 2022)
      The study is devoted to measuring the impact of the element changes on the bias and variance of the estimator of the total in a sample business survey. Stratified simple random sampling is usually used in business surveys. ...

    • Mixed-stable models: an application to high-frequency financial data 

      Belovas, Igoris; Sakalauskas, Leonidas; Starikovičius, Vadimas; Sun, Edward W. (Entropy, 2021)
      The paper extends the study of applying the mixed-stable models to the analysis of large sets of high-frequency financial data. The empirical data under review are the German DAX stock index yearly log-returns series. ...

    • Selective editing using contamination model 

      Burakauskaitė, Ieva; Nekrašaitė-Liegė, Vilma (Romanian statistical review, 2022)
      Results of an outlier detection study with a focus on selective editing are presented in the paper. The aim of selective editing is to identify observations affected by errors that have a major impact on the quality of ...

    • Three-Faceted Approach to Perceived Stress: A Longitudinal Study of Stress Hormones, Personality, and Group Cohesion in the Real-Life Setting of Compulsory Basic Military Training 

      Bekešienė, Svajonė; Smaliukienė, Rasa; Vaičaitienė, Ramutė; Mažeikienė, Asta; Larsson, Ulf Gerry; Karčiauskaitė, Dovilė; Mazgelytė, Eglė (Sustainability: Security Challenges in the Context of Sustainability, 2022)
      Compulsory basic military training is characterized not only by being challenging but also by being stressful. Assuming a high frequency of perceived stress events as a negative outcome of training, this article provides ...