get_exchangerate_table_from: Retrieves the exchange rate table from a specific date.

In rnbp: Wrapper for the National Bank of Poland API

Description

Retrieves the exchange rate table from a specific date.

Usage

get_exchangerate_table_from(table, date)

Arguments

table	specifies which table should be fetched.
date	date from which the exchange rate table should be fetched.

Details

As exchange rate tables are not published on the weekends fetching values from a weekend date will result in a 404 error. In those cases the function returns an error with an appropriate message.

Value

nbp_api_response object containing the exchange rate table from the specified date.

See Also

https://api.nbp.pl/#kursyWalut

Other tables: get_current_exchangerate_table(), get_exchangerate_tables_from_interval(), get_last_n_exchangerate_tables(), get_todays_exchangerate_table()

Examples

  tryCatch({
      ## Fetch the A exchange rate table from a week ago
      response <- get_exchangerate_table_from("A", Sys.Date() - 7)
      ## Preview response content
      response$content
    },
    error = function(e) message(e)
  )

rnbp documentation built on June 7, 2021, 9:07 a.m.