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Sam, you do a terrific job in explaining the "technical difference", however, in order to understand the "real world" difference, you should also include examples of a few other more powerful features of SUMX. Because, at the end of this particular tutorial, I thought to myself, "oh Ok, so instead of having a Column that is the product of 2 other columns, I could just do this with a measurement SUMX. You demonstrated what could be done with both SUM and SUMX. You did not show, more importantly, What cannot be done with SUM that is possible with the "iterating Engine" utilized with SUMX. Magic here is the Expression option.
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This is such a great explanation, would've have been so helpful to me long ago when I started with DAX. I remember one more example I was given though that really cleared things up for me which would be great in this video, contrast this example with one where it's not possible to achieve the result that is typically desired with both functions SUM and SUMX (albeit in this case it with the presence of the revenue data in the physical table) something like a percentage value in a physical column where it will never make sense to add percentages, hence a situation where if you had the percentages in a table for each row (cause that's what you were given for whatever reason) and you wanted a measure to give you a percentage for an aggregate of the two columns that were used to calculate the percentage (assuming they're in the data set) you would have to use Sum to get a result that makes sense. Someone showed me that as an example at one point and I remember that it really clarified completely for me anyway.
I don't understand your example. If you had the columns that were used to calculate the percentage by row, then you could just use SUM, right? For example, say you wanted an aggregate Percent Profit. You've already got a column called PercentProfit, which is Profit divided Revenue for each row. You'd just use SUM to get your aggregate measure: Measure = divide(sum(Profit),sum(Revenue),0) What am I missing?
@@JC-bx1vt nothing wrong with that, that'll work too, this however and variations of the basic calculation can also be done with sumx, which is what I was making reference too. Maybe my example not the best as it can be done with a combination of sum and divide.
Thank you! Is it possible to have this calculation done between different tables? I have a table "ShipHistory" with material number and ship Qty, and a Master Data table with material number and different types of cost per unit. I could merge both of the tables then do the Sumx, but I was hoping there is a simpler way to just pull data from different tables and calculate it.
Hi shifeng li, Thank you for posting your query onto our channel. We really appreciate you taking your valuable time to post it. Well it's always a little bit difficult to judge and provide the results without looking at the data structure, model and working of the PBIX file for the reference. And therefore we encourage you to please write back to us onto our Community Forum by providing the proper description of the problem that you're facing along with the PBIX file for the reference as well as the mock-up results that you're trying to achieve where our members as well as experts team will be able to assist you in a better and efficient manner. Below is the link of the forum provided for the reference. Hoping you find this useful! You can subscribe to our RUclips channel so that you won't miss out on any Power BI updates. You can also join our LinkedIn group to receive latest updates on Power BI. Cheers, Enterprise DNA forum.enterprisedna.co/ ruclips.net/channel/UCy2rBgj4M1tzK-urTZ28zcA www.linkedin.com/groups/12004506/
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is there a differenceX too? I want to find difference between creation date and completion date for all the inputs and wanted to do it with measures instead of simply doing it with custom column.
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If you tried this you would get an error because the SUM function does not generate a row context and you need a row context to access multiple fields like you are doing in your example. You can access a single column without a row context but not multiple columns.
great view please help below code not working Test_1 = var PriceperUnit_CY = DIVIDE([Sales_CY],[Quantity_CY],0) var PriceperUnit_PY = DIVIDE([Sales_PY],[Quantity_PY],0) var SalesVariance = [Sales_CY]-[Sales_PY] return SUMX(VALUES(ATC[material_style1]),if(DIVIDE([Sales_CY],[Quantity_CY],0)=0 || DIVIDE([Sales_PY],[Quantity_PY],0)=0,[Sales_CY]-[Sales_PY],1))
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Removing Context From SUMMARIZE - forum.enterprisedna.co/t/removing-context-from-summarize/4674
For more SUM vs SUMX support queries to review see here - forum.enterprisedna.co/search?q=SUM%20vs%20SUMX
Sam, you do a terrific job in explaining the "technical difference", however, in order to understand the "real world" difference, you should also include examples of a few other more powerful features of SUMX. Because, at the end of this particular tutorial, I thought to myself, "oh Ok, so instead of having a Column that is the product of 2 other columns, I could just do this with a measurement SUMX. You demonstrated what could be done with both SUM and SUMX. You did not show, more importantly, What cannot be done with SUM that is possible with the "iterating Engine" utilized with SUMX. Magic here is the Expression option.
Awesome awesome job. This has confused me for a long time, and here's the answer in 7 1/2 minutes!
Hi Caleb, glad that this video is of help! If you haven't yet, you can subscribe to our channel to see all our upcoming Power BI and Power Platform video tutorials and announcements. Cheers!
Great job! What if you have to multiply two columns from
different tables
This is such a great explanation, would've have been so helpful to me long ago when I started with DAX. I remember one more example I was given though that really cleared things up for me which would be great in this video, contrast this example with one where it's not possible to achieve the result that is typically desired with both functions SUM and SUMX (albeit in this case it with the presence of the revenue data in the physical table) something like a percentage value in a physical column where it will never make sense to add percentages, hence a situation where if you had the percentages in a table for each row (cause that's what you were given for whatever reason) and you wanted a measure to give you a percentage for an aggregate of the two columns that were used to calculate the percentage (assuming they're in the data set) you would have to use Sum to get a result that makes sense. Someone showed me that as an example at one point and I remember that it really clarified completely for me anyway.
I don't understand your example. If you had the columns that were used to calculate the percentage by row, then you could just use SUM, right? For example, say you wanted an aggregate Percent Profit. You've already got a column called PercentProfit, which is Profit divided Revenue for each row. You'd just use SUM to get your aggregate measure:
Measure = divide(sum(Profit),sum(Revenue),0)
What am I missing?
Exactly! Sorry, I wrote my comment before reading yours....
@@JC-bx1vt nothing wrong with that, that'll work too, this however and variations of the basic calculation can also be done with sumx, which is what I was making reference too. Maybe my example not the best as it can be done with a combination of sum and divide.
Thank you!
Is it possible to have this calculation done between different tables?
I have a table "ShipHistory" with material number and ship Qty, and a Master Data table with material number and different types of cost per unit.
I could merge both of the tables then do the Sumx, but I was hoping there is a simpler way to just pull data from different tables and calculate it.
Hi shifeng li,
Thank you for posting your query onto our channel. We really appreciate you taking your valuable time to post it.
Well it's always a little bit difficult to judge and provide the results without looking at the data structure, model and working of the PBIX file for the reference.
And therefore we encourage you to please write back to us onto our Community Forum by providing the proper description of the problem that you're facing along with the PBIX file for the reference as well as the mock-up results that you're trying to achieve where our members as well as experts team will be able to assist you in a better and efficient manner. Below is the link of the forum provided for the reference.
Hoping you find this useful! You can subscribe to our RUclips channel so that you won't miss out on any Power BI updates. You can also join our LinkedIn group to receive latest updates on Power BI.
Cheers,
Enterprise DNA
forum.enterprisedna.co/
ruclips.net/channel/UCy2rBgj4M1tzK-urTZ28zcA
www.linkedin.com/groups/12004506/
This is amazing! Thank you!
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is there a differenceX too? I want to find difference between creation date and completion date for all the inputs and wanted to do it with measures instead of simply doing it with custom column.
Hi sir.Where i can find these data sources.
This is awesome! thank you
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Awesome explanation
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Fantastic clarification
Great efforts to educate us carefully, thanks alot, Sam.
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Well Explained. Thanks
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Many thanks. Very articulate explanation.
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Thank you very much, I like you method. Simple and straight to the point.
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Made sense when you explained it!! Thank you!!
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Now I got it! Thanks
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Thank you !!!!!!!!!
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Thanks you very much.
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This is really useful. Thank You!
Another very helpful video, already suscribed
Awesome, thank you!
Awesome!!
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thank you
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The best
Love your work man
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don't get it. wouldn't SUM([Order Quantity]*[Unit Price]) return the same as SUMX?
If you tried this you would get an error because the SUM function does not generate a row context and you need a row context to access multiple fields like you are doing in your example. You can access a single column without a row context but not multiple columns.
so sumx is like sumproduct in excel...
So the SUMX = Product
great view please help below code not working
Test_1 =
var PriceperUnit_CY = DIVIDE([Sales_CY],[Quantity_CY],0)
var PriceperUnit_PY = DIVIDE([Sales_PY],[Quantity_PY],0)
var SalesVariance = [Sales_CY]-[Sales_PY]
return
SUMX(VALUES(ATC[material_style1]),if(DIVIDE([Sales_CY],[Quantity_CY],0)=0 || DIVIDE([Sales_PY],[Quantity_PY],0)=0,[Sales_CY]-[Sales_PY],1))
Thank you! This video was helpful!
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@@EnterpriseDNA I already did)