I have following data given:
My curve fits it acceptable for my needs. I use here 4th degree polynomial. (data is limited to 0-100 percent range for both axis!)
What I want to try now is to filter those outliers you can see in the picture. In following I mark outlier-regions red (as I think of):
I have no problems removing outliers from 1D data based on mean or median approach but how to do this with 2D data?