I am big fan of data: from searching for data to creating databases or perform analysis.
Depending on the task output data format I am using different tools:
- R or VBA for getting and cleaning data
- xPath, SQL, Excel for querying and creating reports
- R, Excel (functions and Pivot Table) for anomaly detection, clustering, creating regression models
But all these tools worse nothing without knowing fundamentals that are hiding in functional. I have got that knowledge at University (economic cybernetics, master degree) and improved...