alphavantager: A lightweight R interface to the Alpha Vantage API
alphavantager package provides a lightweight interface to the
Alpha Vantage API. Alpha Vantage is a free source for financial data
that in many cases is more accurate than Yahoo Finance and Google Finance.
Get a free API KEY at https://www.alphavantage.co. Then use the R interface
av_api_key("YOUR_KEY") to set the API key and the
function to get financial data.
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