Sökning: "imputations"

Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet imputations.

  1. 1. Growth, Factor Shares, and Factor Prices

    Författare :Julius Probst; Ekonomisk-historiska institutionen; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; secular stagnation; labor share; imputations; asset prices; real interest rate; Zipf s law;

    Sammanfattning : This dissertation is a study in empirical macroeconomic history. The first two papers concern themselves with the functional distribution of income. The third paper is an examination of global real interest rates, and the final paper examines city growth in Sweden over the last two hundred years. LÄS MER

  3. 2. Prediction Methods for High Dimensional Data with Censored Covariates

    Författare :Caroline Svahn; Oleg Sysoev; Mattias Villani; Fredrik Gunnarsson; Xavier de Luna; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; statistics; machine learning; censored covariates; statistik; maskininlärning; censurerade kovariater;

    Sammanfattning : While access to data steadily increases, not all data are straight-forward to use for prediction. Censored data are common in several industrial scenarios, and typically arise when there are some limitations to measuring equipment such as for instance concentration measuring equipment in chemistry or signal receivers in signal processing. LÄS MER

  4. 3. The influence of data uncertainty on planning and decision processes in forest management

    Författare :Karl Duvemo; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : This thesis focuses on how uncertainty in forest data affects the outcome of management planning and decision making. In a review article (paper I), previous research aiming to evaluate forestry data are described. The methodology used and the results presented were discussed. LÄS MER

  5. 4. Methodology for Handling Missing Data in Nonlinear Mixed Effects Modelling

    Författare :Åsa M. Johansson; Mats O. Karlsson; Andrew C. Hooker; Leon Aarons; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Pharmacometrics; population models; censored observations; missing covariates; missing dependent variable; missing data mechanism; missing completely at random MCAR ; missing at random MAR ; missing not at random MNAR ; estimation algorithms; Pharmaceutical Science; Farmaceutisk vetenskap;

    Sammanfattning : To obtain a better understanding of the pharmacokinetic and/or pharmacodynamic characteristics of an investigated treatment, clinical data is often analysed with nonlinear mixed effects modelling. The developed models can be used to design future clinical trials or to guide individualised drug treatment. LÄS MER

  7. 5. Synd och skam : ogifta mödrar på svensk landsbygd 1680-1880

    Författare :Marie Lindstedt Cronberg; Historia; []
    Nyckelord :HUMANIORA; HUMANITIES; religious misdemeanour; honour and shame; illegitimate children; court records; extra-marital sexuality; gender; Tidig modern historia till ca. 1800 ; Contemporary history circa 1800 to 1914 ; sexual offences; Sweden; Modern history up to circa 1800 ; 1680-1880; Modern historia ca. 1800-1914 ; utomäktenskaplig sexualitet; ogifta mödrar; utomäktenskapliga barn; rättsfall; historia; 1600-tal; 1700-tal; 1800-tal; lagstiftning; barnamordsplakat;

    Sammanfattning : The situation of unmarried mothers in Swedish rural society during 1680–1880 is the subject of this thesis. It focuses on the judicial and religious discourse concerning extra-marital sexuality. The state felt duty-bound to control extra-marital sexuality, and this resulted in a dynamic legislative arena. LÄS MER