LEAST SQUARES Definition & Meaning

least squares

noun

Statistics.

a method of estimating values from a set of observations by minimizing the sum of the squares of the differences between the observations and the values to be found.

least squares

noun

a method for determining the best value of an unknown quantity relating one or more sets of observations or measurements, esp to find a curve that best fits a set of data. It states that the sum of the squares of the deviations of the experimentally determined value from its optimum value should be a minimum

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�y��vlog History and Origins

Origin of least squares¹

First recorded in 1860–65

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Example Sentences

Examples have not been reviewed.

The algorithm evolved beyond the conventional least squares method and helped devise a neural circuit model optimized for energy efficiency over diverse walking speeds.

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Each name was compared to the entire database of names in the other country using a least squares calculation of the difference in percentage of popularity in one country versus the other.

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We applied a linear least squares fit and used the fit parameters to estimate the volatility for molecules for which we did not derive the structure.

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It was then that a young man named Carl Friedrich Gauss applied his method of least squares to historical patterns and was able to predict the orbit of Ceres .

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It was then that a young man named Carl Friedrich Gauss applied his method of least squares and was able to predict the orbit of Ceres .

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