Medical Definition of melena. : the passage of dark tarry stools containing decomposing blood that is usually an indication of bleeding in the upper part of the digestive tract and especially the esophagus, stomach, and duodenumâcompare hematochezia.
A forecast analyst's job is to research how to capitalize on existing trends as well as identify new and developing trends and sales opportunities in the market. A bachelor's degree is necessary for most forecast analysis positions, and a master's degree is often preferred for higher-level roles. Source: *U.S.
Cycle forecasting is the process of making predictions about the future of the economy by analyzing economic data. The business cycle is the pattern of economic booms and busts that is characteristic of developed economies. Since the Great Depression, which began in 1929, the U.S. economy has experienced alternating periods of rapid economic growth and economic slowdowns.