Wald Test of Nonlinear Restrictions and Nonlinear CI

Wald Test for nonlinear restrictions on model parameters and confidence intervals for nonlinear functions of parameters using delta-method. Applicable after ANY model, provided parameters estimates and their covariance matrix are available.


Changes in Version 1.1

o nlWaldtest() is compeletely rewritten. Now it uses analytical derivatives if avaialable. The syntax changed for the function to be applicable after ANY model, provided parameter estimates and covariace matrix are avaialable. The backward compatibility is retained except for the default option now is to perform Chi square version of the test. Fixed bug in multiple condition testing while extracting the cass of the model object. A new function nlConfint() is added. It computes confidence intervals for nonlinear functions of parameters.

Reference manual

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1.1.3 by Oleh Komashko, 4 years ago

Browse source code at https://github.com/cran/nlWaldTest

Authors: Oleh Komashko

Documentation:   PDF Manual  

GPL (>= 2) license

Suggested by phenology.

See at CRAN