I see what your saying, given that you remove outliers, the resulting 2 lines should be pretty similar too.
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I see what your saying, given that you remove outliers, the resulting 2 lines should be pretty similar too.
if you remove the circled outliers the lines are quite close as you suggest.
http://i54.tinypic.com/ilwutd.jpg
The risidual distribution (right hand graph) isn't really as predicted but this appears to be due to the heavy rounding of residuals before they are plotted.