Release 0.4.1 / 20 October 2026

Unified equations for the slope, intercept, and standard errors of the best straight line

Method: linear regression with uncertainty in both coordinates, including correlations. The NetPhysics nonlinear profile-likelihood supplement is a different small-error approximation and is not presented as York regression.

Citation and scope

Derek York; Norman M. Evensen; Margarita López Martínez; Jonás De Basabe Delgado (2004). Unified equations for the slope, intercept, and standard errors of the best straight line. American Journal of Physics 72(3), 367–375.

DOI: 10.1119/1.1632486

Method: linear regression with uncertainty in both coordinates, including correlations. The NetPhysics nonlinear profile-likelihood supplement is a different small-error approximation and is not presented as York regression.

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Listed for the specific context or constraint above. A citation is not an endorsement, independent reproduction or evidence for all NetPhysics proposals.

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