Nothing
basicPlot <- function(leg = TRUE, IntEffBoundary = NA, IntFutBoundary = NA, successmean = NA, priormean = NA){
legcols <- c("coral", "brown", "turquoise1", "blue", "purple4")
abline(h = 0, lty = 3)
xlabs <- seq(0, 5, by = 0.1)
axis(1, at = log(xlabs), labels = xlabs, line = 4.5)
mtext("true hazard ratio", side = 1, line = 6.5)
mtext(expression(theta*" = log(true hazard ratio)"), side = 1, line = 2.2)
bs <- c(priormean, IntEffBoundary, successmean, IntFutBoundary)
avail <- ((is.na(bs) == FALSE) & is.finite(bs))
if (leg == TRUE){
legend("topleft", c("prior", "efficacy boundary", "success", "futility boundary")[avail], lty = 1,
lwd = 2, title = "hazard ratio:", bty = "n", title.adj = 0.1, col = legcols[avail])}
segments(priormean, 0, priormean, 20, col = legcols[1], lty = 2, lwd = 3)
segments(successmean, 0, successmean, 20, col = legcols[3], lty = 3, lwd = 3)
int <- c(IntEffBoundary, IntFutBoundary)
segments(int[1], 0, int[1], 10, lty = 2, col = legcols[2], lwd = 2)
segments(int[2], 0, int[2], 10, lty = 2, col = legcols[4], lwd = 2)
}
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