olemus
andmevalmenduse osa, toorandmete viimine edasiseks töötluseks sobivamale toorkujule, sealhulgas andmeüksuste ühendamine, mestimine, normaliseerimine, filtreerimine, visualiseerimine
= the process of gathering, selecting, and transforming data to make them more accessible and easier to analyze

ülevaateid
https://en.wikipedia.org/wiki/Data_wrangling
https://web.stanford.edu/class/cs45/lectures/3-data-wrangling.pdf
https://onlinelibrary.wiley.com/doi/book/10.1002/9781119879862