To do Alt + N R on Mac in Excel, download and install Accelerator Keys, then press Option, followed by N, R.
Command: Recommended Charts
This is how to do Alt + N R on Mac in Excel with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with Excel.
Alt + N R recommended Charts suggests chart types based on your selected data. Excel analyzes your data and shows the most appropriate visualizations.