A method of determining the curve that best describes the relationship between expected and observed sets of data by minimizing the sums of the squares of deviation between observed and expected values.
A statistical method used to find the curve that most closely approximates a set of data: it is based on minimizing the sum of the squares of the differences between expected and observed values of the data.
Webster's New World
method of least squares
Least Squares Sentence Examples
Upon these follow special methods of induction applicable to quantity, viz., the method of curves, the method of means, the method of least squares and the method of residues, and special methods depending on resemblance (to which the transition is made through the law of continuity), viz.
This may be done by fitting the offset model through sample points using least squares regression fitting.
To get them for the starting model for the least squares do zero cycles.
In 1806 appeared Legendre's Nouvelles Methodes pour la determination des orbites des cometes, which is memorable as containing the first published suggestion of the method of least squares (see Probability).
Thus, although the method of least squares was first formally proposed by Legendre, the theory and algorithm and mathematical foundation of the process are due to Gauss and Laplace.