chron (version 2.3-51)

scale: Coordinates and Positions for Chronological Objects

Description

chron_trans is a ggplot2 transformer for chron. scale_x_chron and scale_y_chron are ggplot2 scales.

Usage

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)

Arguments

format

format string as described in strptime.

n

Approximate number of axis ticks.

...

Examples

Run this code
# NOT RUN {
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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