Sökning: "time origin"

Visar resultat 1 - 5 av 675 avhandlingar innehållade orden time origin.

  1. 1. Issues in Urban Travel Demand Modelling : ICT Implications and Trip timing choice

    Författare :Maria Börjesson; Staffan Algers; Kay Axhausen; KTH; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; Journey; Mathematical model; Origin traffic ; Time; Telecommuting; Journey time; Variability; Stated preference; Delay; Civil engineering and architecture; Samhällsbyggnadsteknik och arkitektur; 11 Road: Personal transport; 11 Road: Personal transport; Travel Demand; ICT; Tele-substitution; Revealed Preference; Stated Preference; Mixed Logit; Unobserved Heterogeneity; Travel Time Uncertainty; Schedule Delay;

    Sammanfattning : Travel demand forecasting is essential for many decisions, such as infrastructure investments and policy measures. Traditionally travel demand modelling has considered trip frequency, mode, destination and route choice. This thesis considers two other choice dimensions, hypothesised to have implications for travel demand forecasting. LÄS MER

  2. 2. Multiple Time Scales and Longitudinal Measurements in Event History Analysis

    Författare :Danardono; Umeå universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Statistics; Cox regression; multiple events; proportiona hazards; random effects; survival analysis; time-dependent covariates; time origin; Statistik; Statistics; Statistik; Statistics; statistik;

    Sammanfattning : A general time-to-event data analysis known as event history analysis is considered. The focus is on the analysis of time-to-event data using Cox's regression model when the time to the event may be measured from different origins giving several observable time scales and when longitudinal measurements are involved. LÄS MER

  3. 3. Att utforska sitt ursprung: identitetsformande under adolescensen hos utlandsfödda adopterade: betydelsen av biologiskt och etniskt ursprung

    Författare :Malin Irhammar; Institutionen för psykologi; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Development psychology; adolescence; Identity formation; adoptees born abroad; ethnical origin; biological origin; Utvecklingspsykologi;

    Sammanfattning : Within the Eriksonian identity tradition, exploration of different life domains is crucial to identity formation. This is a process supposed to start during adolescence and develop in a social context. LÄS MER

  4. 4. Gene : on the origin, function and development of sedentary Iron Age settlement in northern Sweden

    Författare :Per H. Ramqvist; Umeå universitet; []
    Nyckelord :HUMANITIES; HUMANIORA; HUMANIORA; HUMANITIES; sedentary; settlement; colonization; internal development; origin; development; three-aisled long-houses; house construction; room division; inter-regional structure; iron forging; bronze casting; Järnåldern;

    Sammanfattning : This thesis deals with questions concerning the sedentary settlement in central Norrland: its origins, function and development. This type of settlement appears at the start of our calendar. The material comprises an almost fully excavated farmstead from the Early Iron Age (1-600 A.D. LÄS MER

  5. 5. A class of origin : The school class as a social context and health disparities in a life-course perspective

    Författare :Ylva Almquist; Viveca Östberg; Michael Gähler; Bjørn Holstein; Stockholms universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Children; School class; Social structure; Social networks; Health inequalities; Longitudinal; Sociology; Sociologi; Sociology; sociologi;

    Sammanfattning : The aim of the present thesis is to examine various aspects of the school-class structure and their links to health in a life-course perspective. The empirical studies are based on two longitudinal data materials of cohorts born in the 1950s, followed up until middle age. LÄS MER