How to group/seperate a correlation plot by a variable?
Following is an example similar to my actual data case. I am interested in looking at the correlation between two process variables known to be dependent on each other. Especially, I would like to understand the wafer number dependence of the correlation.For my actual data case, unlike the example case here, the x-axis variable is bi-modal on the wafer number (first say n wafers sit on one mode, ...