Sökning: "statistik peter karlsson"

Hittade 2 avhandlingar innehållade orden statistik peter karlsson.

1. 1. On the Asymptotics of Increasing Dimension Models : Methods for Complete or Incomplete Data

   Författare :Peter Karlsson; Thomas Holgersson; Rolf Larsson; Jönköping University; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Statistics; Statistik;

   Sammanfattning : In some multivariate contexts there is a close relation between the number of parameters (p) and the number of observations (n). In a situation where p grows with n it frequently happens that the statistic does not converge to its true parameter. LÄS MER

3. 2. Issues of incompleteness, outliers and asymptotics in high dimensional data

   Författare :Peter S. Karlsson; Thomas Holgersson; Ghazi Shukur; Åke E. Andersson; Jönköping University; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Business and economics; Ekonomi;

   Sammanfattning : This thesis consists of four individual essays and an introduction chapter. The essays are in the field of multivariate statistical analysis of High dimensional data. The first essay presents the issue of estimating the inverse covariance matrix alone and when it is used within the Mahalanobis distance in High-dimensional data. LÄS MER