Essays about: "Missing covariates"
Found 4 essays containing the words Missing covariates.
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1. Practice variation in sepsis management in the eICU database
University essay from Göteborgs universitet/Institutionen för data- och informationsteknikAbstract : Sepsis is a life-threatening syndrome triggered by an infection. Despite international guidelines, sepsis management varies between sites. This unwanted practice variation may affect negatively the quality of care but enables theoretically retrospective studies for finding optimal treatment strategies. READ MORE
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2. DOES IT MATTER HOW WE GO WRONG? : The role of model misspecification and study design in assessing the performance of doubly robust estimators
University essay from Umeå universitet/StatistikAbstract : This thesis concerns doubly robust (DR) estimation in missing data contexts. Previous research is not unanimous as to which estimators perform best and in which situations DR is to be preferred over other estimators. We observe that the conditions surrounding comparisons of DR- and other estimators vary between dierent previous studies. READ MORE
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3. Late Blight Prediction and Analysis
University essay from Lunds universitet/Matematisk statistikAbstract : Phytophthora infestans cause severe losses in potato cultivation. Currently one of the most effective ways to reduce the related loss is using fungicides. For these to have optimal effect they must be applied approximately 10 days before the first visual sign of late blight. READ MORE
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4. A Comparsion of Multiple Imputation Methods for Missing Covariate Values in Recurrent Event Data
University essay from Uppsala universitet/Statistiska institutionenAbstract : Multiple imputation (MI) is a commonly used approach to impute missing data. This thesis studies missing covariates in recurrent event data, and discusses ways to include the survival outcomes in the imputation model. READ MORE