How handling missing data may impact conclusions: A comparison of six different imputation methods for categorical questionnaire data

The SPH technique and the corpuscular technique are superior to the Eulerian technique and the Lagrangian technique (with erosion) when it is applied to materials that have fluid

The main aim of the GOAL project at FFI is to increase the institute's competence on OR methods. This report contains an overview of six problem structuring methods and a

The methods of follow-up score and change score analysis are shown to have unbiased results when the missing data mechanism is MCAR, while the methods of ANCOVA and cLDA can also

The estimated direction is consistent with those of previous works using other methods, and it is consistent with different data (our own analyses show this to be the case for

Using ordinary multiple imputation it is quite straightforward to impute the missing values and to use for instance LISREL on the imputed datasets analysing the appropriate SEM

Methods – Six hospital cases were chosen to represent different layout solutions of ward design. This paper presents and compares two of them. The methods included assessment

The ideas launched by the Beveridge Commission in 1942 set the pace for major reforms in post-war Britain, and inspired Norwegian welfare programmes as well, with gradual

In order to evaluate the performance of alternative imputation methods on data sets that do include missing values, clustering can be done based on data obtained using the