Description Usage Arguments Value Author(s) References
It estimates marginal regression models to datasets consisting of a categorical response and one or more covariates by a Fisher-scoring algorithm; this is an internal function.
1 2 3 |
Y |
matrix of response configurations |
X |
array of all distinct covariate configurations |
model |
type of logit (g = global, l = local, m = multinomial) |
ind |
vector to link responses to covariates |
be |
initial vector of regression coefficients |
Dis |
matrix for inequality constraints on be |
dis |
vector for inequality constraints on be |
disp |
to display partial output |
only_sc |
to exit giving only the score |
Int |
matrix of the fixed intercepts |
der_single |
to require single derivatives |
be |
estimated vector of regression coefficients |
lk |
log-likelihood at convergence |
Pdis |
matrix of the probabilities for each distinct covariate configuration |
P |
matrix of the probabilities for each covariate configuration |
sc |
score |
Sc |
single derivative (if der_single=TRUE) |
Francesco Bartolucci - University of Perugia (IT)
Colombi, R. and Forcina, A. (2001), Marginal regression models for the analysis of positive association of ordinal response variables, Biometrika, 88, 1007-1019.
Glonek, G. F. V. and McCullagh, P. (1995), Multivariate logistic models, Journal of the Royal Statistical Society, Series B, 57, 533-546.
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