The Challenge of Measuring Forecast Accuracy

The Challenge of Measuring Forecast Accuracy

How do you measure forecast accuracy? What are some challenges in evaluating whether a forecast is correct and to what degree? Given all the ways our brains can work against us, forecasting accurately is incredibly difficult. But evaluating an existing forecast’s accuracy in the first place presents difficulties of its own. Read about the difficulties of measuring forecast accuracy.

A Black Swan Event: Unpredictable or Improbable?

A Black Swan Event: Unpredictable or Improbable?

What is a black swan event? Are black swan events truly unpredictable or just highly improbable? A black swan event is an extremely rare and unpredictable event or occurrence that has major negative consequences. The concept is based on the idea that someone who has only ever seen white swans would naturally assume that all swans are white and would therefore be completely unable to predict the existence of a black swan. Keep reading to learn about the concept of a black swan event.

Species-Area Relationship: The Deadly Curve

Species-Area Relationship: The Deadly Curve

What is the species-area relationship? How is it expressed in mathematics? The species-area relationship is the relationship between the area of the species habitat and the number of animal species that inhabit it. In 2004, scientists used the concept, which is expressed mathematically as a curve, to calculate the species extinction risk at different levels of global warming. Keep reading to learn about the species-area relationship.