plot_markedpp: Plot single pair of event series with cumulative counts.
In UCIDataLab/assocr: Quantify degreee of assocation between discrete event series

Plot single pair of event series with cumulative counts.

1 2	plot_markedpp(x, W, c = 1, lbl = c("Mark 1", "Mark 2"), title = "", xlab = "Time")

`x`	Data.frame of `<t, m>` single pair of event series.
`W`	Observation window `c(low, high)`, equivalent to `xlim`.
`c`	Numeric cex value for axis & legend magnification; `default == 1`
`lbl`	Vector of labels for the legend corresponding to marks 1/A and 2/B, respectively; `default == c("Mark 1", "Mark 2")`
`title`	Main title of plot; `default == ""`
`xlab`	X-axis label; `default == "Time"`