Have you tried working with what look like text data in R only to get back a number or an error about comparing or replacing elements? If this sounds familiar, you may have been working with factor data. Read on for more about how to create and handle factor data in R.Continue reading
Recently, I was trying to help someone get US Gross Domestic Product (GDP) statistics back to 1915. The problem? GDP did not exist as a construct going that far back in time. However, there was a source that came to mind: Global Financial Data (GFD). This database specializes in providing long time series on stocks, bonds, and economic indicators. In the case of GDP for the United States, they have extended it back to 1789. You can use GFD anonymously or you can create a personal account in order to access certain features such as saving workbooks.
Directly from the landing page, you access search options, GFD Power Downloads, and Help.
It is easy to download data or to create graphs to demonstrate a point. Below is a sampling of what GFD has to offer.Continue reading