View source: R/plot_summary_print.R
plot.chandwich  R Documentation 
plot
method for class "chandwich". Only applicable to an object
x
for which attr(x, "p_current") = 1
, i.e. a model with
one free parameter.
## S3 method for class 'chandwich'
plot(x, y, type = 1, legend = length(type) > 1, legend_pos = "topleft", ...)
x 
an object of class "chandwich", a result of a call to

y 
Not used. 
type 
An integer vector, a subset of the numbers 
legend 
A logical scalar or a character vector. If this is
supplied then a legend is added to the plot. If 
legend_pos 
The position of the legend (if required) specified using
the argument 
... 
Additional arguments passed to If the argument 
Nothing is returned.
adjust_loglik
to adjust a usersupplied
loglikelihood function.
summary.chandwich
for maximum likelihood estimates
and unadjusted and adjusted standard errors.
conf_intervals
and plot.confint
to
plot confidence intervals for individual parameters.
conf_region
and plot.confreg
to
plot a confidence region for a pair of parameters.
#  Binomial model, rats data 
# Contributions to the independence loglikelihood
binom_loglik < function(prob, data) {
if (prob < 0  prob > 1) {
return(Inf)
}
return(dbinom(data[, "y"], data[, "n"], prob, log = TRUE))
}
rat_res < adjust_loglik(loglik = binom_loglik, data = rats, par_names = "p")
# Vertically adjusted loglikelihood only
plot(rat_res)
# Three adjusted loglikelihoods and the independence loglikelihood
plot(rat_res, type = 1:4)
# Plot over (0,1) and reposition the legend
plot(rat_res, type = 1:4, xlim = c(0, 1), legend_pos = "bottom")
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