Finding Abnormal Peaks
Kim Berg Hansen · Apress eBooks · 2020
In many cases there’s sequential data (often chronological) that’s supposed to have a fairly steady value or increasing/decreasing at a fairly steady rate. If there are spots in the data where it is not fairly steady, you want to know about it. Or in other words, if you graphically represent the data, you want to find the abnormal peaks and spikes.