‘Big data’ is a combination of four ‘V’s: Volume, Velocity, Variety and Value, in structured/unstructured way. The data should be organised in a proper architectural form and then different analytical tools can be applied. The common analytical tools like agent-based modelling, neural networks, factor analysis, cluster analysis, time series analysis can be used to do proper analysis of the ‘big data’.
For more information, please go through: http://www.scientificcomputing.com/blogs/2014/02/big-data-analytics-continues-evolve