Total least squares, also known as rigorous least squares and (in a special case) orthogonal regression, is a type of errors-in-variables regression, a least squares data modeling technique in which observational errors on both dependent and independent variables are taken into account. It is a generalization of Deming regression, and can be applied to both linear and non-linear models. The total least squares approximation of the data is generically equivalent to the best, in the Frobenius norm, low-rank approximation of the data matrix. … Orthogonal Regression

# If you did not already know: “Orthogonal Regression”

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