A statistical anomaly is any significant deviation from normal or projected values; for instance, having 500 or 15 installs instead of 100 per day on average.

Deviations, whether upward or downward, have both positive and negative implications. 500 installs per day instead of 100 may be due to either the app being put on the store’s top list, or mobile fraud.

This Guide describes 8 scenarios of why user activity drops based on our assumptions and how MyTracker can effectively address them.