Essays about: "matematisk statistik"

Showing result 6 - 10 of 1299 essays containing the words matematisk statistik.

1. 6. Failure Probability and Lifetime Estimation for Industrial Robots : A Logistic Regression and Lifetime Analysis Approach

   University essay from Umeå universitet/Institutionen för matematik och matematisk statistik

   Author : Erik Fahlbeck Carlsson; Martin Herbert; [2023]
   Keywords : Lifetime Analysis; Logistic regression; Prediction; Lifetime estimation; Industrial robots; Livslängdsanalys; Logistisk regression; Prediktion; Livslängdsestimering; Industriella robotar;

   Abstract : The ability to handle and process data for information extraction is getting more and more important. Using extracted data from the business to improve productivity is seen as an important part in developing the business processes. In this thesis, industrial robots and their survival times are analyzed. READ MORE

3. 7. The impact of "loose " restrictions in Sweden during the COVID-19 virus , compared to the neighbouring Scandinavian countries.

   University essay from Lunds universitet/Matematisk statistik

   Author : Anie Kdlian; [2023]
   Keywords : Covid-19; Corona virus pandemic; Sweden; Scandinavian countries; Coronavirus; coronaviruspandemin; skandinaviskaländer; Sverige; Data Analysis; Dataanalys; Denmark; Finland; Norway; variants; excess mortality; vaccination; waves of covid; covid cases; stringency index; first wave; second wave; third wave; fourth wave; milda restriktioner.; Mathematics and Statistics;

   Abstract : Covid-19 is the first type of coronavirus that was characterized as a pandemic, year 2020. The prevention methods to minimize the spread of the corona virus did vary somehow between the countries. READ MORE

4. 8. Staff Shortage on SJ Trains

   University essay from KTH/Matematisk statistik

   Author : Casper Öberg; Nora Moro; [2023]
   Keywords : Multiple linear regression; Residual analysis; Multicollinearity; Staff shortage; Forecast; Trains; Multipel linjär regression; Residualanalys; Multikollinearitet; Personalbrist; Prognos; Tåg;

   Abstract : This thesis is a case study in collaboration with SJ AB, a government owned railway companyin Sweden. The employees aboard the trains are an essential part of operating thetrains efficiently. Therefore, it is vital to forecast absences well in order to avoid havingto cancel train trips or having employees work over time. READ MORE

5. 9. Factors Affecting Employment Duration in the Food Retail Industry

   University essay from KTH/Matematisk statistik

   Author : Beata Sundling; Lova Höft; [2023]
   Keywords : statistics; applied mathematics; regression analysis; multiple linear regression; employment duration; employment turnover rate; food retail industry; statistik; tillämpad matematik; regressionsanalys; multipel linjär regression; anställningens varaktighet; personalomsättningshastighet; dagligvaruhandeln;

   Abstract : Measuring and tracking the employee turnover rate is a crucial part when evaluating a company’s performance. An important part of this is measuring the employment duration within an organization. READ MORE

6. 10. Branching Out with Mixtures: Phylogenetic Inference That’s Not Afraid of a Little Uncertainty

   University essay from KTH/Matematisk statistik

   Author : Ricky Molén; [2023]
   Keywords : Phylogeny; Bayesian analysis; Markov chain Monte Carlo; Variational inference; Mixture of proposal distributions; Fylogeni; Bayesiansk analys; Markov Chain Monte Carlo; Variationsinferens; Mixturer av förslagsfördelningar;

   Abstract : Phylogeny, the study of evolutionary relationships among species and other taxa, plays a crucial role in understanding the history of life. Bayesian analysis using Markov chain Monte Carlo (MCMC) is a widely used approach for inferring phylogenetic trees, but it suffers from slow convergence in higher dimensions and is slow to converge. READ MORE