1. [syn: least squares, method of least squares]
The Collaborative International Dictionary of English v.0.48:
Least \Least\ (l[=e]st), a. [OE. last, lest, AS. l[=ae]sast,
l[=ae]sest, superl. of l[=ae]ssa less. See Less, a.] [Used
as the superlative of little.]
Smallest, either in size or degree; shortest; lowest; most
unimportant; as, the least insect; the least mercy; the least
Note: Least is often used with the, as if a noun.
I am the least of the apostles. --1 Cor. xv.
At least, or At the least, at the least estimate,
consideration, chance, etc.; being no less than; hence, at
any rate; at all events; even. See However.
He who tempts, though in vain, at least asperses
The tempted with dishonor. --Milton.
Upon the mast they saw a young man, at least if he
were a man, who sat as on horseback. --Sir P.
In least, or In the least, in the least degree, manner,
etc. "He that is unjust in the least is unjust also in
much." --Luke xvi. 10.
Least squares (Math.), a method of deducing from a number
of carefully made yet slightly discordant observations of
a phenomenon the most probable values of the unknown
Note: It takes as its fundamental principle that the most
probable values are those which make the sum of the
squares of the residual errors of the observation a
WordNet (r) 3.0 (2006):
n 1: a method of fitting a curve to data points so as to
minimize the sum of the squares of the distances of the
points from the curve [syn: least squares, method of