R: Trend model matrix operation

trendMatrix.update {DiceKriging} | R Documentation

## Trend model matrix operation

### Description

Updates the trend linear model matrix when new data are given.

### Usage

    trendMatrix.update(model, Xnew)

### Arguments

`model` | an object of class `km` corresponding to the non-updated kriging model.
`Xnew` | a data frame containing the new data points.

### Value

The model matrix corresponding to known design points and new data points.

### Note

The model design and model response are not updated. This should be done before using `trendMatrix.update`.

### Author(s)

O. Roustant, D. Ginsbourger

[Package DiceKriging version 1.6.0 Index]