noun, noun-modifying (irregular)
least-squares
Mathematics term; used attributively in compounds like 最小二乗法 (least-squares method).
See also: 最小二乗法
最小二乗法はデータの近似によく使われる。
The least-squares method is often used for data approximation.
このモデルは最小二乗推定に基づいている。
This model is based on least-squares estimation.
最小二乗法 is the full term for 'least-squares method'; 最小二乗 is the shorter attributive form used in compounds.
Compound of 最小 (minimum) and 二乗 (square), calque from English 'least squares'.