Data analysis is hard! Practitioners have testified time and again that extracting the much promised value out of data through analysis is no free lunch. There is a famous 80/20…

Format transformation is the process of carrying out changes to the representation of data values, such as values of a table column, with a view to reducing some of the…

Data preparation is the process of discovering, cleaning and integrating data sets for analysis. Although the cleaning that may be required varies from application to application, the need to address…