chron_trans
chron
scale_x_chron
scale_y_chron
chron_trans(format = "%Y-%m-%d", n = 5) scale_x_chron(..., format = "%Y-%m-%d", n = 5) scale_y_chron(..., format = "%Y-%m-%d", n = 5)
strptime
scale_x_continuous
if(require("ggplot2")) { dd <- data.frame(tt = chron(1:10), value = 101:110) p <- ggplot(dd, aes(tt, value)) + geom_point() + scale_x_chron(format = "%m-%d") print(p) }
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