Tableau - Dealing With Duplicates
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- เผยแพร่เมื่อ 12 ก.ย. 2024
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VIDEO DESCRIPTION:
This video goes out Gaurav!!
Dealing with duplicates can be a nightmare. Something that at first glance should be so simply can easily frustrate even the best programmers.
Depending on the software you use, there are different methods for handling duplicates and also depends if duplicates are intended or not.
Being in the industry for years now, I still get surprised from time to time. In this video, we have student grades. The issue is that multiple students have the same name. When dealing with percentages, for students with the same name, the percentages add together giving a grade higher than 100% which makes no sense.
In this video I'll show you different ways to handle this issue!
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Uh.... Tableau prep doesn't have an automated way of removing duplicate records based on a "combination" of fields?? Like Power Query ??
That's very weird !!
Hey George! Not to my knowledge. Tableau is a visualization layer on top of the data set itself so it doesn't alter it in any way. I suppose you could get away with this by a clever way of filtering over a number of fields. However, this would depend on the data set in question and how its structured.
Thanks for the video, very helpful.
I guess, since two Monas have same marks, one is the duplicate entry of the other. and we should REMOE one Mona from the list.
Good tip!
How can duplicate data be REMOVED in the views without using LOD
Hey Abiodun! Tricky question as it depends on the situation. If you have a data set you want me to look at please send to guinto.jed@gmail.com and I can have a better look for you; possibly even create a video just for you!
@@jellymaneducation6168 okay
The data i have with me is confidential, you can use any sample.
Understand. If was more to get an idea of the structure of your data. That's ok. I'll see what I can come up with in regards to handling duplicates