extracting Linear Fit values? error
I'm having some issues with this, I keep getting errors when trying to pull out the linear fit parameters. I've got a standard YvsX dataset, but with 4 different 'group by' columns. When I try to do the extraction (I've tried a lot of different methods), i keep getting errors like this: Any Idea what's up with this? I've tried concatting the four cols into a single column and then splitting by tha...