get_currency: Get currency values for a given period
Description
Given a currency symbol and a time interval (in dates) this function returns the
bid and ask time series of currency rates.
Usage
get_currency(symbol, start_date, end_date, as = c("tibble", "xts",
"data.frame", "text"))
Arguments
symbol
currency symbol
start_date
time interval initial date
end_date
time interval last date
as
the object's returning type
The symbol argument is a three digits character which represents one currency.
The symbols can be obtained with list_currencies.
The time series date range is defined by start_date and end_date.
Value
The time series with the bid and ask currency rates regarding the given symbol quoted in BRL.
The default returning is a tibble-fashioned data.frame with
the three columns: date, ask and bid.
The as argument also accepts data.frame to return old fashioned data frames,
xts to return a xts object with two variables (bid and ask) and text which returns
the text content download from BCB site.