The first step in running regression analysis in Excel is to double-check that the free plugin Data Analysis ToolPak is installed. This plugin makes calculating a range of statistics very easy. It is ...

With the explosive adoption of software-as-a-service (SaaS) apps, the average company now has more than 100 SaaS apps to manage — leading to data being siloed across countless different systems. That ...

In this paper, we consider a robust approach to the ultrahigh dimensional variable screening under varying coefficient models. While the existing works focusing on the mean regression function, we ...