Search for dissertations about: "Proportional"

Showing result 1 - 5 of 539 swedish dissertations containing the word Proportional.

2. 1. Essays on the Assumption of Proportional Hazards in Cox Regression

   Author : Inger Persson; Kenneth Carling; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Informatics; computer and systems science; Proportional hazards; Cox regression; Proportionality assumption; Informatik; data- och systemvetenskap; Informatics; computer and systems science; Informatik; data- och systemvetenskap; statistik; Statistics;

   Abstract : This thesis consists of four papers about the assumption of proportional hazards for the Cox model in survival analysis. The first paper compares the hazard ratio estimated from the Cox model to an exact calculation of the geometric average of the hazard ratio when the underlying assumption of proportional hazards is false, i.e. READ MORE

4. 2. Statistical Methods for Computational Markets : Proportional Share Market Prediction and Admission Control

   Author : Thomas Sandholm; Magnus Boman; Mark Baker; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Distributed Systems; Grid Computing; Performance Analysis; Workload Modeling; Middleware; Quality of Service; Prediction; Admission Control; Computer and systems science; Data- och systemvetenskap;

   Abstract : We design, implement and evaluate statistical methods for managing uncertainty when consuming and provisioning resources in a federated computational market. To enable efficient allocation of resources in this environment, providers need to know consumers' risk preferences, and the expected future demand. READ MORE

5. 3. Strategic Voting under Coalition Governments

   Author : Annika Fredén; Statsvetenskapliga institutionen; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; strategic; voting; coalitions; PR-systems; Statsvetenskap; Political Science; strategic; voting; coalitions; proportional representation;

   Abstract : If a voter defects from preference under the consideration of policy outcomes and others' behavior, it is a "strategic vote". This thesis relates voters' strategic considerations to the government formation process: the chances for a party to gain seats, enter office, and affect overall policies. READ MORE

6. 4. Incumbent Renomination : Accountability and Gender Bias

   Author : Michal Grahn; Elin Bjarnegård; Johanna Kantola; Uppsala universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; political recruitment; party politics; proportional representation; gender; incumbency; re-selection; accountability; representation; delegation; preference voting; flexible lists; Czech Republic; Slovakia.; Statskunskap; Political Science;

   Abstract : Party recruiters in proportional-representation (PR) systems are forced to do what their majoritarian counterparts are not: they need to rank-order all their candidates on the party ballots based on whom they most wish to get elected. Consequently, new candidates and incumbents alike compete for a limited number of electable ballot slots. READ MORE

7. 5. The Analysis of Duration and Panel Data in Economics

   Author : Wolfgang Hess; Nationalekonomiska institutionen; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Monetary Exchange Rate Model; Homogeneity Testing; Panel Cointegration; Pooling; Duration of Trade; Unemployment Duration; Proportional Hazards; Unobserved Heterogeneity; Hazard Rate; Discrete-Time Duration Model; Threshold Excess Model;

   Abstract : This thesis is divided into two distinct parts. The first part contains three chapters dealing with the analysis of duration data from an econometric perspective and with application to trade durations. READ MORE