BI Professionals Spend 50-90% of Their Time ā€˜Cleaning’ Raw Data for Analytics

Last year, the NYTĀ shined a lightĀ on big data’s ā€œjanitorā€ problem – that data scientists and business intelligence pros spend too much time cleaning, not evaluating data. But how big of an issue is it, really? XplentyĀ just wrapped a commissioned study of ...