Data Cleaning: Longitudinal Study Cross-visit Checks.


Cross-visit checks are a vital part of data cleaning for longitudinal studies. The nature of longitudinal studies encourages repeatedly collecting the same information. Sometimes, these variables are expected to remain static, go away, increase, or decrease over time. This presentation reviews the naïve and the better approaches at handling one-variable and… (More)


Cite this paper

@article{Parlett2014DataCL, title={Data Cleaning: Longitudinal Study Cross-visit Checks.}, author={Lauren E Parlett}, journal={SAS global forum}, year={2014}, volume={2014}, pages={1314} }