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This function can pull time series from the FRED database: https://fred.stlouisfed.org.
get_fred_series( series_id, series_name = NULL, observation_start = NULL, observation_end = NULL, api_key = NULL )
FRED times series ID.
Choose a name for the series column in output. Default: series_id.
Date of first observation in "yyyy-mm-dd" format. Default: Earliest observation available.
Date of last observation in "yyyy-mm-dd" format. Default: Last observation available.
You can supply your own apikey obtained via https://fredaccount.stlouisfed.org/login/secure/) if you want to run a large batch of requests. Otherwise you might run into query limits of the API.
if (FALSE) { get_fred_series("INDPRO", "indpro") }
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