Piecewise linear fit. — piecewise_linear (original) (raw)
Source: R/vtreat_coders.R
piecewise_linear.Rd
vtreat custom coder based on [RcppDynProg::solve_for_partition()](solve%5Ffor%5Fpartition.html).
piecewise_linear(varName, x, y, w = NULL)
Arguments
| varName | character, name of variable to work on. |
|---|---|
| x | numeric, input values. |
| y | numeric, values to estimate. |
| w | numeric, weights. |
Examples
piecewise_linear("x", 1:8, c(1, 2, 3, 4, 4, 3, 2, 1))
#> [1] 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 #> attr(,"approx_table") #> predXs predYs #> 1 1 2.5 #> 2 8 2.5 #> attr(,"method") #> [1] "linear"