Background Patient-perceived global ratings of change are often used as anchors of health-related quality of life (HRQoL) since they are easy for clinicians to interpret and incorporate the patient's ...

R is a powerful open source programming environment primarily known for its statistical capabilities. In this course we will cover some advanced applications of R: distributed computing using the ...

A study among 101 librarians is reported that tests individual differences important to enhanced use of the Internet. Analysis of covariance, hierarchical regression, and structural equation modeling ...