为以下代码添加图的长和宽设计代码{ plot(ROC, time=12*1, col = "blue", add = F, title = F) plot(ROC, time=12*2, col = "purple", add = T) plot(ROC, time=12*3, col = "black", add = T) legend("bottomright", lty = 1, cex = 1.0, col = c("blue", "purple", "black"), legend = c("1 year AUC:0.814(0.724-0.905)", "2 year AUC:0.781(0.682-0.880)", "3 year AUC:0.762(0.626-0.897)")) } plotAUCcurve(ROC, conf.int = T, col="darkcyan")

你可以使用以下代码来设置图的长和宽：

par(mfrow=c(1,2),fig.width=10,fig.height=5)
plotAUCcurve(ROC, conf.int = T, col="darkcyan")
plot(ROC, time=12*1, col = "blue", add = F, title = F)
plot(ROC, time=12*2, col = "purple", add = T)
plot(ROC, time=12*3, col = "black", add = T)
legend("bottomright", lty = 1, cex = 1.0,
       col = c("blue", "purple", "black"),
       legend = c("1 year AUC:0.814(0.724-0.905)",
                  "2 year AUC:0.781(0.682-0.880)",
                  "3 year AUC:0.762(0.626-0.897)"))

在这里，`par(mfrow=c(1,2),fig.width=10,fig.height=5)` 设置了图的排列方式和长宽。其中，`mfrow=c(1,2)` 表示将图分为 1 行 2 列，`fig.width=10` 和 `fig.height=5` 分别设置了图的宽度和高度，单位为英寸。你可以根据需要修改这些参数。