The Apache HTTP Server provides a mechanism for storing information in named variables that are called environment variables. This information can be used to control various operations such as ...

This example uses three different approaches to standardize or transform the data prior to the cluster analysis. The first approach uses several standardization methods provided in the STDIZE ...

Removal of redundant explanatory variables The problems of collinearity and multicollinearity in the three examples might be diagnosed using either the VIF or the condition index. Although VIF ...

Time-dependent variables can be used to model the effects of subjects transferring from one treatment group to another. One example of the need for such strategies is the Stanford heart transplant ...

Product variables -- Examples include product type, the weight that product carries in a larger deal, and the total number of other products involved in the deal ...

This simulation study was designed to compare nine variable selection procedures in logistic regressions for testing SNP–SNP interactions.

We demonstrate how introducing economic variables into a credit scorecard improves the predictive power of that scorecard. Such a scorecard can forecast default rates accurately, even when economic ...