Analysis of data sets can find new correlations, to "spot business trends, prevent diseases, combat crime and so on." Scientists, business executives, practitioners of media, advertising and governments alike regularly meet difficulties with large data sets in areas including Internet search, finance and business informatics. Predictive modelling and accuracy in big data may lead to more confident decision making. Better decisions can mean greater operational efficiency, cost reduction and reduced risk. Data Driven Decisions (DDD) are key in improving your business.