A kerrison predictor is a tool that helps people make predictions about the future. It works by taking information from a variety of sources, such as news reports, financial data, and other sources, and using it to make guesses about what might happen in the future. For example, a kerrison predictor might look at how many people are buying a certain type of product right now and then guess that more people will buy it in the future. By making predictions about the future, the kerrison predictor can help people make better decisions about their investments, businesses, and other things.