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- Browsing Theses and Dissertations (Statistics) by Supervisor
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Browsing Theses and Dissertations (Statistics) by Supervisor "Fletcher, Lizelle"
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(University of Pretoria, 2015)The aim of the study was to survey permutation tests, bootstrapping and jackknife methods and their application to significance testing of regression coefficients in linear regression analysis. A Monte Carlo simulation ...
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(University of Pretoria, 2020)Adjusting for baseline pre-intervention characteristics between treatment groups, through the use of propensity score matching methods, is an important step that enables researchers to do causal inference with confidence. ...
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(University of Pretoria, 2013)An occurrence which is sometimes observed in a model based on dichotomous dependent variables is separation in the data. Separation in the data is when one or more of the independent variables can perfectly predict some ...
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(University of Pretoria, 2010-09-22)Neural networks are seldom used as a modelling tool by statisticians. This is often due to the lack of knowledge in the eld of neural networks as neural networks are frequently perceived as mysterious methods that evolved ...
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(University of Pretoria, 2012)Parametric methods are effective and appropriate when data sets are obtained by well-defined random sampling procedures, the population distribution for responses is well-defined, the null sampling distributions of suitable ...
Now showing items 1-5 of 5