Simplification still is the most powerful enemy for insight

Earlier we reported on the pitfalls of complex calculation being done in Excel. The Financial Times has added an additional dimension into the discussion about excel spread sheets and errors in them.  Spreadsheets or more complex programming language based systems are an invaluable tool to generate insight. Being able to understand the results the tools produce, requires meaningful data (the old 'garbage in garbage out rule') as well as intellectual  discipline and domain expertise to interpret results.