vcov.drc {drc}R Documentation

Calculating Variance-Covariance Matrix for objects of class 'drc'

Description

'vcov' returns the estimated variance-covariance matrix for the parameters in the non-linear function.

Usage


  ## S3 method for class 'drc':
  vcov(object, ..., corr = FALSE)

Arguments

object an object of class 'drc'.
... additional arguments.
corr logical. If TRUE a correlation matrix is returned.

Value

A matrix of estimated variances and covariances.

Author(s)

Christian Ritz

Examples


model1 <- multdrc(ryegrass)
vcov(model1)
vcov(model1, corr = TRUE)

rm(model1)


[Package drc version 1.1-0 Index]