phia-package | R Documentation |
Analysis of the expected values and other terms of in linear, generalized, and mixed linear models, on the basis of multiple comparisons of factor contrasts. Specially suited for the analysis of interaction effects.
Package: | phia |
Type: | Package |
Version: | 0.3-1 |
Date: | 2024-01-03 |
License: | GPL (>= 3) |
This package contains functions that may be used for the post-hoc analysis
of any term of linear models (univariate or multivariate), generalized and mixed
linear models. The function testFactors
provides a flexible user
interface for defining combinations of factor levels and covariates, to evaluate
and test the model, using the function linearHypothesis
from package
car. testInteractions
uses this function for multiple comparisons
of simple effects, interaction residuals, interaction contrasts, or user-defined
contrasts. interactionMeans
may be used to explore the ‘cell
means’ of factorial designs, and plot main effects or first-order interactions.
Helios De Rosario-Martinez, with code contributions from John Fox (package car) and the R Core Team (stats package).
Maintainer: Helios De Rosario-Martinez <helios.derosario@gmail.com>
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