get_goldprice_from: Retrieves the gold price from a specific date.
In rnbp: Wrapper for the National Bank of Poland API

Description Usage Arguments Details Value See Also Examples

Retrieves the gold price from a specific date.

1	get_goldprice_from(date)

date

date from which the gold price should be fetched.

As gold prices 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.

nbp_api_response object containing the gold price from the specified date.

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

Other goldprice: get_current_goldprice(), get_goldprice_from_interval(), get_last_n_goldprices(), get_todays_goldprice()

  tryCatch({
      ## Fetch the gold price from a week ago
      response <- get_goldprice_from(Sys.Date() - 7)
      ## Preview response content
      response$content
    },
    error = function(e) message(e)
  )