What is it like to analyze unclean data?

4 levels of user experience for user function

One day, I saw this image in a Reddit post, it made me laugh loudly. How much time do our data people do “data laundry”?
[¹this image was originally found in this textbook on data analytics.]

Some people call it “data cleansing”, “data cleaning”, or “data preparation”, but it all points to the same fundamental challenge: How do we get more accurate insights out of messy …

analytics analyze big data data data cleaning data science data visualization