Sökning: "multicollinearity"

Visar resultat 1 - 5 av 66 uppsatser innehållade ordet multicollinearity.

  1. 1. Regularization Methods and High Dimensional Data: A Comparative Study Based on Frequentist and Bayesian Methods

    Kandidat-uppsats, Lunds universitet/Statistiska institutionen

    Författare :Markus Gerholm; Johan Sörstadius; [2024]
    Nyckelord :Linear regression; high dimensional data; regularization; Bayesian methods; Mathematics and Statistics;

    Sammanfattning : As the amount of high dimensional data becomes increasingly accessible and common, the need for reliable methods to combat problems such as overfitting and multicollinearity increases. Models need to be able to manage large data sets where predictor variables often outnumber the amount of observations. LÄS MER

  3. 2. Staff Shortage on SJ Trains

    Kandidat-uppsats, KTH/Matematisk statistik

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

    Sammanfattning : 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. LÄS MER

  4. 3. Psykologisk trygghet, arbetstillfredsställelse och intention att stanna på arbetsplatsen: en undersökning av undersköterskor och sjuksköterskor

    Kandidat-uppsats, Lunds universitet/Institutionen för psykologi

    Författare :Caroline Kristersson; Jennie Bengtsson; [2023]
    Nyckelord :Psykologisk trygghet; arbetstillfredsställelse; intention att stanna; intention att lämna; sjuksköterskor; vårdpersonal; Psychological safety; job satisfaction; intention to stay; intention to leave; nurses; health care; Social Sciences;

    Sammanfattning : According to the World Health Organization, educated nurses need to increase all around the world. Assistant nurses and nurses are a deficit profession in Sweden with a limited salary trend. LÄS MER

  5. 4. E-handlarens digitala egenskaper och dess inverkan på konsumentens subjektiva uppfattning : En kvantitativ studie om förtroende och misstro

    Kandidat-uppsats, Uppsala universitet/Företagsekonomiska institutionen

    Författare :Ebba Axelsson; Stina Lindberg; [2023]
    Nyckelord :E-handel; Förtroende; Misstro; Funktionell Uppfattning; Motiverande Uppfattning; Digitala Egenskaper;

    Sammanfattning : The study examines how online retailers' digital characteristics affect consumers' perception of the online retailer and how the perception affects trust and distrust of the online retailer. The result aims to help online retailers gain an understanding of which characteristics are most salient and strategically important to generate trust among consumers. LÄS MER

  7. 5. Understanding the Determinants of Car Ownership : A Regression and Neural Network Study

    Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Avdelningen för beräkningsvetenskap

    Författare :Olle Kindvall; Vegard Pettersson; [2023]
    Nyckelord :Machine learning; panel data; panel data regression; LSTM; parking norm; car ownership;

    Sammanfattning : This thesis aims to understand the determinants of car ownership in the Swedish regions containing the largest cities: Skåne, Stockholm, and Västra Götaland. This is done by performing a fixed effects regression analysis as well as creating and comparing different predictive models. Both socioeconomic and spatial factors are looked at. LÄS MER