mjs_add_marker {metricsgraphics} | R Documentation |
metricsgraphics marker lines are vertical lines that identify, say, events or dates worth annotating. This function lets you add a marker to a plot object. you can add as many as you need to.
mjs_add_marker(mjs, x_value, label)
mjs |
metricsgraphics plot object |
x_value |
which x value to draw the marker at |
label |
text label for the marker |
metricsgraphics object
data.frame(
year=seq(1790, 1970, 10),
uspop=as.numeric(uspop)
) %>%
mjs_plot(x=year, y=uspop) %>%
mjs_line() %>%
mjs_add_marker(1850, "Something Wonderful") %>%
mjs_add_baseline(150, "Something Awful")