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...fed two cards, one with squares marked on the left side and the other with squares on the right side. ...then started registering a "Q" for the left squares and "O" for the right squares.

...\mathbf{\beta}</math> which fit the equations "best". In '''ordinary least squares (OLS)''' this "best" is taken in the sense of solving the quadratic minimiz ..., <math>\hat{\mathbf{\beta}}</math> is the coefficient vector of the least-squares hyperplane, expressed as

..._gb_FRcOAAAAQAAJ|accessdate=13 June 2016|language=French}}</ref> The least squares method is used widely in [[data fitting]]. ...ng a user's rating for a film given their ratings for previous films by at least 10%.<ref>{{cite web|title=The Netflix Prize Rules|url=http://www.netflixpri