Description Usage References Examples
Uses lsfit() to compute WLS using Tukey's biweight function c is the tuning constant, typically around 6 to 9 tol is for convergence of the biweight fit; tolerance is for the matrix decomposition in lsfit Like lsfit, input x matrix should not include a column of ones Like lsfit, input y can be matrix if there are multiple left-hand sides
1 | bifit()
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Wilmoth J, Zureick S, Canudas-Romo V, Inoue M, Sawyer C. A flexible two-dimensional mortality model for use in indirect estimation. Population studies. 2012 Mar 1;66(1):1-28.
1 | bifit()
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