I find the best way for my feeble mind to understand more than 3 or 4 dimensions is a parallel coordinate graph where you can view the relationships between two

I find the best way for my feeble mind to understand more than 3 or 4 dimensions is a parallel coordinate graph where you can view the relationships between two of the dimensions at a time. You can do this interactively in R using plotly: https://plot.ly/r/parallel-coordinates-plot/ https://plot.ly/r/parallel-coordinates-plot/