traceplot.cdtafit {CopulaDTA}R Documentation

Trace plot using ggplot2.

Description

Trace plot using ggplot2.

Usage

traceplot.cdtafit(x, ...)

Arguments

x

An cdtafit object from fit.

...

additional options. See stan_trace for more details.

Value

A ggplot object of the parameters of the models mean structure.

Author(s)

Victoria N Nyaga

References

Nyaga VN, Arbyn M, Aerts M (2017). CopulaDTA: An R Package for Copula-Based Beta-Binomial Models for Diagnostic Test Accuracy Studies in a Bayesian Framework. Journal of Statistical Software, 82(1), 1-27. doi:10.18637/jss.v082.c01

Examples

data(telomerase)
model1 <-  cdtamodel(copula = 'fgm')

model2 <- cdtamodel(copula = 'fgm',
               modelargs=list(param=2,
                              prior.lse='normal',
                              par.lse1=0,
                              par.lse2=5,
                              prior.lsp='normal',
                              par.lsp1=0,
                              par.lsp2=5))

model3 <-  cdtamodel(copula = 'fgm',
               modelargs = list(formula.se = StudyID ~ Test - 1))
## Not run: 
fit1 <- fit(model1,
                SID='ID',
                data=telomerase,
                iter=2000,
                warmup=1000,
                thin=1,
                seed=3)

traceplot(fit1)

traceplot(fit1) +
theme(axis.text.x = element_text(size=10, colour='black'),
      axis.text.y = element_text(size=10, colour='black'),
      axis.title.x = element_text(size=10, colour='black'),
      strip.text = element_text(size = 10, colour='black'),
      axis.title.y= element_text(size=10, angle=0, colour='black'),
      strip.text.y = element_text(size = 10, colour='black'),
      strip.text.x = element_text(size = 10, colour='black'),
      plot.background = element_rect(fill = "white", colour='white'),
      panel.grid.major = element_blank(),
      panel.background = element_blank(),
      strip.background = element_blank(),
      axis.line.x = element_line(color = 'black'),
      axis.line.y = element_line(color = 'black'))

## End(Not run)

[Package CopulaDTA version 1.0.0 Index]