xlin_pfits {RcppDynProg} | R Documentation |
xlin_pfits
Description
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.
Usage
xlin_pfits(x, y, w, i, j)
Arguments
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); |
Value
vector of predictions.
Examples
xlin_pfits(c(1, 2, 3, 4), c(1, 2, 2, 1), c(1, 1, 1, 1), 0, 3)
[Package RcppDynProg version 0.2.1 Index]