Are you interested in running more advanced data analysis in Excel? If so, you can add the Analysis ToolPak to your current version of Excel. It provides several analysis functions including Anova, ...

The inverse of the correlation matrix, however, also has important interpretations. An exposition of some of the properties connected with the inverse of the correlation matrix is provided and its use ...

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 ...