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### library(metafor); library(testthat); Sys.setenv(NOT_CRAN="true")
source("settings.r")
context("Checking plots example: likelihood plot")
test_that("plot can be drawn.", {
expect_equivalent(TRUE, TRUE) # avoid 'Empty test' message
skip_on_cran()
png("images/test_plots_llplot_test.png", res=200, width=1800, height=1600, type="cairo")
### adjust margins so the space is better used
par(mar=c(5,4,2,2))
### calculate log risk ratios and corresponding sampling variances
dat <- escalc(measure="RR", ai=tpos, bi=tneg, ci=cpos, di=cneg, data=dat.bcg)
### create likelihood plot
llplot(measure="GEN", yi=yi, vi=vi, data=dat, lwd=1, refline=NA, xlim=c(-3,2))
dev.off()
expect_true(.vistest("images/test_plots_llplot_test.png", "images/test_plots_llplot.png"))
})
rm(list=ls())
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