Search for dissertations about: "trip frequencies"

Found 2 swedish dissertations containing the words trip frequencies.

  2. 1. Tests of random effects in linear and non-linear models

    Author : Erling Häggström Lundevaller; Umeå universitet; []
    Keywords : Random effects; score test; NLS; heteroskedasticity; measurement error; Poisson regression; trip frequencies; Statistics; statistik;

    Abstract : .... READ MORE

  4. 2. The Influence of Customer Agreements and Planning Principles on Rail Freight Performance

    Author : Lars Backåker; Lundgren Jan; Johanna Törnquist Krasemann; Stefan Engevall; Markus Bohlin; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Rail freight planning; trip plan generation; routing and scheduling; dynamic assignment;

    Abstract : Rail freight transportation is recognized worldwide as a suitable transportation mode when it comes to long haul transportation of heavy commodities. The industry is also known to be capital intensive, highly dependent on infrastructural developments and requires thorough planning of operations. READ MORE