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W.P. Zijlstra Outlier detection in test and questionnaire data for attribute measurement
Outliers, often defined as observations, which are inconsistent with the remaining data, are influential to the degree in which they affect statistical results. Outlier research is often done with continuous variables, such as income and age. This project defines outliers for highly discrete data in test, questionnaire and survey data, and proposes several methods for detecting outliers. It is also investigated when an outlier is influential, and how to deal with influential cases. Simulated and...
Non-fictie
Engels | 165 pagina's | 2009
Gedrukt boek
Soo Kum Lin, Joyce Towards a multi-activity multi-erson accessibility measure
Non-fictie
Engels | 139 pagina's | Faculty of GeoSciences, Utrecht University, Utrecht | 2009
Gedrukt boek