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.
In the equation of a straight line (when the equation is written as y = mx + b), the slope is the number m that is multiplied on the x, and b is the y-intercept, where the line crosses the y-axis. This useful form of the line equation is sensibly named the slope-intercept form.