Last year, the NYT shined a light on big data’s “janitor” 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?

Xplenty just wrapped a commissioned study of +200 BI pros and found that a third spend 50-90% of their time just cleaning raw data. This is one of the first reports to tie an actual # to the ETL process.

Source: bigdataanalyticsnews.com