Over the last decade there has been a notable change of emphasis in the statistical analysis of survey data. Increasingly, social science researchers are finding it informative to fit probability ...

Statistical tools are also valuable for evaluating potential breaches in integrity, particularly when assessing the validity of absentee ballots. For example ... Center for Data Analysis at ...

This short course introduces statistical survey methods necessary to ... sampling methods and sample size calculation, data capture methods, questionnaire design and pilot study) and analysis of ...

For example, a survey conveying consumer preferences ranging from like to dislike would be considered ordinal data ... accuracy of other statistical models. This type of analysis is often best ...

To ensure that the sampled cases are still representative, sample them proportionally to their survey weight ... APC analysis requires an extended time series of data; a theory for why generation may ...