Analytics entirely with SPL
The primary objective of this chapter is to help you become more aware of how easily you can do robust analytics entirely inside the Streams Processing Language (SPL). You do not have to write Java or C/C++, you do not have to use any free or additional toolkits or accelerators, you do not have to install any third-party products or other products. We often talk about these pieces to the Streams landscape, and although they might be available, you often do not need them.
In this chapter, we build a flow rate sensor