xlin_pfits | R Documentation |
Calculate out of sample linear fit predictions using pseudo-inverse. Please see: https://win-vector.com/2019/01/08/a-beautiful-2-by-2-matrix-identity/. Zero indexed.
xlin_pfits(x, y, w, i, j)
x |
NumericVector, explanatory variable (length>=2). |
y |
NumericVector, values to fit. |
w |
NumericVector, weights (positive). |
i |
integer, first index (inclusive). |
j |
integer, j>=i+2 last index (inclusive); |
vector of predictions.
xlin_pfits(c(1, 2, 3, 4), c(1, 2, 2, 1), c(1, 1, 1, 1), 0, 3)
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