descsuppR (version 1.2)

as.tod: Conversion to and from 'Time of Day'

Description

Does not safeguard against "26:69".

Usage

as.tod(x)
# S3 method for character
as.tod(x)
# S3 method for circular
as.tod(x)
is.tod(x)
# S3 method for tod
as.double(x, ...)
circular(x, ...)
# S3 method for default
circular(
  x,
  type = c("angles", "directions"),
  units = c("radians", "degrees", "hours"),
  template = c("none", "geographics", "clock12", "clock24"),
  modulo = c("asis", "2pi", "pi"),
  zero = 0,
  rotation = c("counter", "clock"),
  names = NULL,
  ...
)
# S3 method for tod
circular(x, ...)

Value

x converted to/from 'tod'

Arguments

x

An object to be converted to or represented as a circular object.

...

Additional arguments passed to methods or lower-level functions.

type

Character string indicating if data represent "angles" or "directions".

units

Character string; the measurement units for the input data ("radians", "degrees", or "hours").

template

Character string specifying a specific template for circular data.

modulo

Character string indicating the modulo arithmetic to be used ("asis", "2pi", "pi").

zero

Numeric; direction assigned as zero (in the specified units).

rotation

Character string; direction of rotation for increasing values ("counter", "clock").

names

Optional character vector of names for the object.

Author

Dr. Andreas Leha

Examples

times <- c("8:53", NA, "22:30")

## some conversions
as.tod(times)
as.numeric(as.tod(times))

is.tod(times)
is.tod(as.tod(times))