How to investigate a spike in your data
So, you’ve just noticed a spike in your data. Maybe your trendline looks something like this? Or if you’ve caught it early, it might even look something like this: Now, obviously, I have no way of knowing if your y-axis represents something really good (like new customers) or something really bad (like system errors). And depending on which it is, you may be feeling a strong urge to pop the champagne or hit the panic button.