The Center for Disease Control monitors various diseases within the United States. Often the CDC produces data for public use that can be used for scholarly and educational purposes. For this post I downloaded diabetes data from 2009 from this CDC website. The CDC are available for download in .xls format, so they need to be converted for use in Cartographica. After the data are downloaded, load the files into a spreadsheet program and save the file as a .csv. According to CDC data more than 25 million Americans have been diagnosed with diabetes and the rates of diabetes have …