võrrandisüsteemide lahendamiseks kasutatav meetod, mille korral lahendiks loetakse hälvete ruutude summa miinimumpunkt, standardne mõõdiste regresioonanalüüsimeetod, least squares means that the overall solution minimizes the sum of the squares of the errors made in the results of every single equation, standard approach in regression analysis to the approximate solution of overdetermined systems, i.e., sets of equations in which there are more equations than unknowns, technique used to compute the coefficients of the equation when a particular form of equation is chosen for fitting a curve to data, meetod, mida kasutatakse võrrandi kordajate arvutamiseks, kui mõõdistele kõvera sobitamiseks valitakse konkreetne võrrandi vorm