Description Usage Arguments Details Value Author(s) Examples
This function tests a single or a set of linear combinations.
1 | contrastLC(myModel, mycombination)
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myModel |
An object of class lm, gls, mle, glm, mer, lmerMod or glmerMod |
mycombination |
A vector of length p (p=the number of parameters of the fixed part of the fitted model) containing a set of coefficients. These coefficients define a linear combination of the parameters which expected value under the null hypothesis is zero. It also admits a k*p matrix of coefficients, each row representing a linear combination. |
Let myParameters be the vector of model parameters. Then the null hypothesis is mycombination
An objetc of class named-list containing the parts p: p-value for the null hypotesis, Fobs: Observed F-estatistics, numDF: 1 or the number of independent rows of mycombination.
Julio A. Di Rienzo <email: dirienzo@agro.unc.edu.ar>
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