Line fitting
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For broader coverage of this topic, see Curve fitting.
"Line of best fit" redirects here. For the music magazine, see The Line of Best Fit.
Line fitting is the process of constructing a straight line that has the best fit to a series of data points.
Several methods exist, considering:
- Vertical distance: Simple linear regression
- Resistance to outliers: Robust simple linear regression
- Perpendicular distance: Orthogonal regression
- Weighted geometric distance: Deming regression
- Scale invariance: Major axis regression