# Linear Regression - Least Squared Distances

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• Jun 25th 2011, 08:55 AM
Corpsecreate
Re: Linear Regression - Least Squared Distances
I see what your saying, given that you remove outliers, the resulting 2 lines should be pretty similar too.
• Jun 25th 2011, 09:34 AM
SpringFan25
Re: Linear Regression - Least Squared Distances
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.
• Jun 25th 2011, 12:25 PM
TKHunny
Re: Linear Regression - Least Squared Distances
Quote:

Originally Posted by Corpsecreate
Isn't "Best Fit" used to describe the line that will come "closest" to intersecting the data points?

Yes, given a measure of fit. Without a given measure of fit, there is no useful meaning.
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