All available_exchanges() have different limitations on the
returned data this function is adaptive in nature so enforces
compliance on the limits
default_dates(interval, from = NULL, to = NULL, length = 200, limit = NULL)A vector of minimum and maximum dates.
A character-vector of length 1. 1d by default. See available_intervals() for available intervals.
An optional character, date or POSIXct vector of length 1. NULL by default.
An optional character, date or POSIXct vector of length 1. NULL by default.
a numeric-value of length 1. The desired distance between from and to.
Serkan Korkmaz
Other development tools:
GET(),
convert_date(),
fetch(),
flatten(),
is.date()