Information Profiling supplies a fast and simple approach to get an excellent understanding of your information with solely a handful of easy checks and strategies. And but maybe an important side is usually missed: all of your checks and evaluation can be of little worth if not truly put to some use.
Whereas profiling your information, it is best to draw up an motion plan to take your information evaluation additional and to generate an actual return in your information profiling train.
The motion plan ought to cowl the next areas:
- Reporting of outcomes to events.
- Documentation of the supply of the information, checks undertaken, and any assumptions.
- Any verified properties of the information.
- Present a prioritised listing of points, or a minimum of an inventory of points and a mechanism to prioritise these later.
- Flag up any discoveries which straight affect the information venture. Or which want additional investigation.
- Flag up any points which straight have an effect on the enterprise which can not in any other case be addressed by the unique venture
- Subsequent steps, together with any additional information investigation wanted, and actions to progress your listing of points.
- Schedule to evaluation progress and refresh the difficulty listing.
Implicit on this plan is that idea that the information profiling shouldn’t be thought-about a one-off job. It would be best to reuse parts of your authentic evaluation to maintain your points listing updated, and to make sure that new points will not be being launched. And naturally there could also be areas which you need to examine additional.
All too typically, your information profiling train is accomplished and everybody strikes on to the subsequent stage of the venture. As a substitute it is best to think about a daily refresh of a minimum of the important thing elements of your information profile, and maybe take it ahead in to a extra complete Data Quality for DataBricks technique.