What event marked the beginning of the US Civil War? The main cause of the Civil War has been debated for years. The first military action was Confederate forces attacking Union Fort Sumter.
1 Lift Charts. 2  The lift curve is a popular technique in direct marketing. 3  The input required to construct a lift curve is a validation dataset that has been scored by appending to each case the estimated probability that it will belong to a given class.
1 S Curve (art), an art term for a sinuous body position, noted in ancient marble sculpture. 2  S-Curve Records, a record label.  Sigmoid curve or sigmoid function, a mathematical function that produces a sigmoid, or S-shaped, curve.