Importing Data, Advanced

Importing Data from the World Bank Development Indicators

You can use the WDI package to download data from the World Bank's Development Indicators directly into R. The World Bank Development indicators site has country-level data not only from the World Bank but also the IMF and other major

Importing Data from the United States Federal Reserve (FRED System)

You can import a wide range of macroeconomic indicators from the United States Federal Reserve's FRED system. To do this you will need to use the quantmod package.

Importing Data from Yahoo Finance

You can also use quantmod to download data, such as stock quotes, from Yahoo Finance.

Other Data

For a longer list of similar R data downloading options see this list on Cross Validated.