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#' Make two-sample binary sample size operating characteristics curve
#'
#' @param for.plot output from get.ts.bin.ssize.oc.df
#' @param nlines Control for text spacing
#' @param tsize Control for text size
#' @param add.table provides extended output summaries
#' @return A ggplot object is returned
#' @export
#'
#' @examples \donttest{
#' my.ts.bin.ssize.oc.df <- get.ts.bin.ssize.oc.df()
#' make.ts.bin.ssize.oc(for.plot = my.ts.bin.ssize.oc.df)
#' }
make.ts.bin.ssize.oc <- function(for.plot = get.ts.bin.ssize.oc.df(), tsize=4,
nlines=25, add.table=TRUE){
for.plot <- for.plot %>% mutate(value = ifelse(result=="No-Go", 1 - value, value))
main.plot <- for.plot %>%
dplyr::filter(result!="Consider") %>%
ggplot(aes(x=n.total, y=value, color=result)) +
geom_line(alpha=.25, size=.75) +
facet_wrap(~key, labeller="label_parsed")+
scale_color_manual(values=c("green", "red"))+
geom_ribbon(data=for.plot %>% dplyr::filter(result=="Go"),
aes(x=n.total, ymin=0, ymax=value),
fill=alpha("green",.5), color=alpha("green",.25))+
geom_ribbon(data=for.plot %>% dplyr::filter(result=="Go"),
aes(x=n.total, ymin=value, ymax=1),
fill=alpha("grey",.5), color=alpha("grey",0))+
geom_ribbon(data=for.plot %>% dplyr::filter(result=="No-Go"),
aes(x=n.total, ymin=value, ymax=1), fill=alpha("red",.5),
color=alpha("red", .25))+
guides(color="none", fill="none")+
labs(x="Total sample size", y="Decision Probabilities",
title=paste0("Operating Characteristics as a function of sample size when control response rate is ",
round(for.plot$dcurve.con[1]*100,2), "%"))+
scale_x_continuous(expand=c(0,0))+
scale_y_continuous(expand=c(0,0), breaks=seq(0,1,.2), minor_breaks=seq(0,1,.1),
labels=scales::percent)+
theme(panel.spacing.x = unit(6, "mm"), axis.text.x =
element_text(angle=45, hjust=1,vjust=1))
head(for.plot)
tau.lrv <- for.plot$tau.lrv[1]
tau.tv <- for.plot$tau.tv[1]
tau.ng <- for.plot$tau.lrv[1]
table.plot2 <- ggplot()+
annotate("text", label = paste0("Decision Criteria"),
x = -1, y = .95, size = tsize+2, colour = "black", hjust=0)+
annotate("text", label = TeX(paste0("Go if:")), color="darkgreen",
x = -1, y = 1-3/nlines, size = tsize+1, hjust = 0)+
annotate("text", label = TeX(paste0("P($\\Delta\\,$ $\\geq$ Min TPP) > ", tau.lrv*100, "% &")),
x = 0, y = 1-3/nlines, size = tsize+1, colour = "darkgreen", hjust = 0) +
annotate("text", label = TeX(paste0("P($\\Delta\\,$ $\\geq$ Base TPP) > ", tau.tv*100,"%")),
x = 1.5, y = 1-3/nlines, size = tsize+1, colour = "darkgreen", hjust = 0)+
annotate("text", label = TeX(paste0("No-Go if:")), color="red",
x = -1, y = 1-4/nlines, size = tsize+1, hjust = 0)+
annotate("text", label = TeX(paste0("P($\\Delta\\,$ $\\geq$ Min TPP) $\\leq$ ", tau.ng*100, "% &")),
x = 0, y = 1-4/nlines, size = tsize+1, colour = "red", hjust = 0) +
annotate("text", label = TeX(paste0("P($\\Delta\\,$ $\\geq$ Base TPP) $\\leq$ ", tau.tv*100,"%")),
x = 1.5, y = 1-4/nlines, size = tsize+1, colour = "red", hjust = 0)+
annotate("text", label = TeX(paste0("Consider:")), color="black",
x = -1, y = 1-5/nlines, size = tsize+1, hjust = 0)+
annotate("text", label = "Otherwise",
x = 0, y = 1-5/nlines, size = tsize+1, colour = "black", hjust = 0)+
scale_y_continuous(limits=c(0.75,.975), expand=c(0,0), labels=NULL, breaks=NULL)+
scale_x_continuous(limits=c(-1,3.5), expand=c(0,0), labels=NULL, breaks=NULL)+
labs(x="\n", y="")
if(add.table==TRUE) return( grid.arrange(main.plot, table.plot2, nrow=2, heights=c(.78,.22)))
if(add.table==FALSE) return(main.plot)
}
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