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Retrieve the Date of Last API Data Update.
last_updated(api_key)
Character. An authorized API key for the NREL API service. API keys can be requested at https://developer.nrel.gov/signup/
An object of class POSIXct containing the date and time of the most recent data update.
# NOT RUN { last_updated(MY_API_KEY) # } # NOT RUN { # }
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