graphics-plot function

Plot methods

Plot methods for "timeDate" objects.

## S4 method for signature 'timeDate'
plot(x, y, ...)
## S4 method for signature 'timeDate'
lines(x, y, ...)
## S4 method for signature 'timeDate'
points(x, y, ...)

axis.timeDate(side, x, at, format = NULL, labels = TRUE, ...)

## S3 method for class 'timeDate'
pretty(x, n=5, min.n=n%/%3, shrink.sml=0.75,
        high.u.bias=1.5, u5.bias=0.5+1.5*high.u.bias,
        eps.correct=0, ...)

Arguments

• x, y, at: an object of class timeDate.
• side: an integer specifying which side of the plot the axis is to be drawn on. The axis is placed as follows: 1=below, 2=left, 3=above and 4=right.
• format: a POSIX format string, e.g. "%Y-%m-%d".
• labels: either a logical value specifying whether annotations are to be made at the tickmarks, or a vector of character strings to be placed at the tickpoints.
• n: an integer giving the desired number of intervals.
• min.n: a nonnegative integer giving the minimal number of intervals.
• shrink.sml: a positive numeric by a which a default scale is shrunk in the case when range(x) is very small.
• high.u.bias: a non-negative numeric, typically > 1. Larger high.u.bias values favor larger units.
• u5.bias: a non-negative numeric multiplier favoring factor 5 over 2.
• eps.correct: an integer code, one of 0, 1, or 2. If non-0, a correction is made at the boundaries.
• ...: arguments passed to other methods.

Returns

returns a summary report of the details of a "timeDate"

object. This includes the starting and end date, the number of dates the format and the financial center in use.

Examples

## timeCalendar
x <- timeCalendar()
y <- rnorm(12)

## Plotting
plot(x, y, type = "l")
points(x, y, pch = 19, col = "red")

plot(x, y, type = "l", xaxt = "n")
axis.timeDate(1, at = x[c(1, 3, 5, 7, 9, 11)], format = "%b")
axis.timeDate(1, at = x[12], format = "%Y")