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.
The Learning Curve. In General, Learning Curve Theory or Experience Curve Theory is defined as the following: A learning curve is a graphical representation of the changing rate of learning (in the average person) for a given activity or tool.