Let’s look at what correlation means in terms of the relationship between variables. Although our focus will be on positive correlation, we will also describe negative correlation and what we mean ...

New research highlights pulse wave velocity as a stronger marker of vascular ageing than short-term blood pressure ...

Interaction: ALPHA invokes PEARSON. Interaction: If you specify OUTP=, the output data set also contains six observations with Cronbach's coefficient alpha. Interaction: When you use the PARTIAL ...