takeoff.polyX: Remove Monomials from a polyX Object

In sivipm: Sensitivity Indices with Dependent Inputs

Description

Remove monomials from an object of class polyX.

Usage

## S4 method for signature 'polyX'
takeoff(P, monomials)

Arguments

P	Object of class polyX.
monomials	Integer or character vector. The monomials to be removed. When integer, the numbers of the monomials. When character, their expression using the variable names and the character "*" to denote interaction.

Value

An object of class polyX.

See Also

bind.polyX

Examples

X <- cornell0[,1:2] # X-inputs
# Polynomial creation
monomials <- c("Distillation","Reformat","Distillation*Reformat")
P <- vect2polyX (X, monomials)
# Remove the third  monomial:
P2 <- takeoff(P, c(3))
# Same expressed with using variable names:
P2 <- takeoff(P, c("Distillation*Reformat"))

sivipm documentation built on May 2, 2019, 6:41 a.m.