mixor-package {mixor} | R Documentation |
This package provides a function mixor
for fitting mixed-effects ordinal and binary response models and associated methods for printing, summarizing, extracting estimated coefficients and the variance-covariance matrix, and estimating contrasts for the fitted models.
Package: | mixor |
Type: | Package |
Title: | Mixed-Effects Ordinal Regression Analysis |
Version: | 1.0.4 |
Date: | 2018-06-13 |
Author: | Kellie J. Archer, Donald Hedeker, Rachel Nordgren, Robert D. Gibbons |
Maintainer: | Kellie J. Archer <archer.43@osu.edu> |
Description: | Provides the function 'mixor' for fitting a mixed-effects ordinal and binary response models and associated methods for printing, summarizing, extracting estimated coefficients and variance-covariance matrix, and estimating contrasts for the fitted models. |
License: | GPL (>=2) |
Depends: | R (>= 2.10), survival |
BuildResaveData: | best |
Biarch: | yes |
NeedsCompilation: | yes |
LazyLoad: | true |
Index of help topics:
AIC.mixor Return AIC for a Fitted Mixor Model BIC.mixor Return BIC for a Fitted Mixor Model Contrasts Estimate Contrasts for Mixor Object SmokeOnset Smoking Onset Data SmokingPrevention Television School and Family Smoking Prevention and Cessation Project Data coef.mixor Extract Model Coefficients concen Twins Trouble Concentrating Data deviance.mixor Return the deviance for a Fitted Mixor Model irt.data Armed Servces Vocational Aptitude Battery logLik.mixor Return the log-likelihood for a Fitted Mixor Model mixor Mixed-Effects Ordinal Regression Analysis mixor-deprecated Deprecated Functions in Package mixor mixor-package Mixed-Effects Ordinal Regression Analysis mixord Old Function Name Replaced with mixor norcag Attitudes Towards Sex Data from the 1989 General Social Survey plot.mixor Plot empirical Bayes estimates of random effects for a Mixor Model Object predict.mixor Predict Outcome From Mixor Fitted Model print.mixor Printing Mixor Model Fits schizophrenia National Institute of Mental Health Schizophrenia Collaborative Study summary.mixor Summarize Mixor Model Fit vcov.mixor Return Variance-Covariance Matrix for a Mixor Model Object
This package provides a function mixor
for fitting mixed-effects ordinal and binary response models and associated methods for printing, summarizing, extracting estimated coefficients and the variance-covariance matrix, and estimating contrasts for the fitted models.
Kellie J. Archer, Donald Hedeker, Rachel Nordgren, Robert D. Gibbons Kellie J. Archer, Donald Hedeker, Rachel Nordgren, Robert D. Gibbons Maintainer: Kellie J. Archer <archer.43@osu.edu> Kellie J. Archer <archer.43@osu.edu>
Hedeker D. and Gibbons R.D. (1996) A computer program for mixed-effects ordinal regression analysis. Computer Methods and Programs in Biomedicine 49, 157-176.
See also mixor
, and examples in norcag
, irt.data
, concen
, SmokeOnset
, schizophrenia
library("mixor") data("SmokingPrevention") # data frame must be sorted by id variable SmokingPrevention<-SmokingPrevention[order(SmokingPrevention$class),] # school model Fitted.school<-mixor(thksord~thkspre+cc+tv+cctv, data=SmokingPrevention, id=school, link="logit") summary(Fitted.school) vcov(Fitted.school) # students in classrooms analysis Fitted.students<-mixor(thksord~thkspre+cc+tv+cctv, data=SmokingPrevention, id=class, link="logit", nAGQ=11) summary(Fitted.students) coef(Fitted.students) vcov(Fitted.students) cm<-matrix(c(-1,-1,-1,0,0,0,0,0, 0,0,0,0,0,0,0,0, 0,0,0,1,0,0,0,1), ncol=3,byrow=TRUE) Contrasts(Fitted.students, contrast.matrix=cm)