Correlation Analysis for Multi-Variable

When we want study the relationship among variables or Multicollinearity , correlation analysis for all pairs of variables is useful/

Graphical Modeling

Correlation analysis (CA) is often done as the first step to analyze the relationship among many factors.

Graphical modeling is the approach with View of Network .

Some people say the "Graphical Modeling" for the approach of using the partial correlation coefficient (pcc).