ggplot2-0.9.x では修正済です require(ggplot2) t <- c("a", "b", "c") x <- c(1, 2, 3) y <- c(2, 2, 2) d <- data.frame(x, y, t) windowsFonts(serif = "Times New Roman") p <- ggplot(data = d, aes(x = x, y = y, label = t)) + geom_text(size = 16 …