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.
What is 'Forecasting'. Forecasting is the use of historic data to determine the direction of future trends. Businesses utilize forecasting to determine how to allocate their budgets or plan for anticipated expenses for an upcoming period of time. This is typically based on the projected demand for the goods and services they offer.