install.packages('drord')
polr
is used from the MASS
package. Otherwise logistic regression is used. In both cases,
inverse probability of treatment weights are included in the regression.
If there are levels of the outcome that are not observed in this treatment
group, then 0's are added in. The function returns a matrix with named columns
corresponding to each outcome (ordered numerically). The entries
represent the estimated covariate-conditional treatment-specific PMF."drord"
object.POplugin
object"drord"
object.fit_trt_spec_reg
, which
fits the proportion odds model in a given treatment arm.