Predictive analytics is a branch of advanced analytics deals with analyzing the current data and predict future outcomes using data mining, statistical models, machine learning, and artificial intelligence. It helps to predict the most likely outcome to occur in the future based on historical data. In healthcare example, predictive analytics is used to forecast the spread of the disease according to the historical data of patients.
If you are interested to learn Predictive Analytics, I suggest these Data Analytics Certification and Data Science online courses by Intellipaat.
Also, watch this video on Predictive Analysis using Python to get started: