SAP Predictive Analytics is a tool working with HANA. It doing a prective analysis job for identifying the company’s future perspective.See PDF Tutorials. Predictive analysis working with old data, and based on that data, it create useful data visualization reports with future predictions. Based on these reports, company can identify the hidden things and potentials and can take decisions.Its getting some of the functionalities inherited from HANA. So its a good practice to refer the HANA documentations too before working with Predictive Analytics. Here is some good PDF tutorials about prective analysis.