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Calculate the total spend of top N vendors, by vendor category

I'm currently working on a problem that has been taxing me for a while.


I am trying to produce a stacked bar chart showing the % spend of the top 10 vendors, % spend of the next 10 vendors and the remaining spend, by vendor category.

I can calculate the spend of the top N vendors but I have to include the vendor as a dimension in the chart, which defeats the purpose of what I am doing.

  • Top 10 =IF(aggr(rank(sum([NET_Amount])),vndProclass_Lvl1,vndVendor_Name)<11,Sum([NET_Amount]))

  • Next 10 =(IF(aggr(rank(sum([NET_Amount])),vndProclass_Lvl1,vndVendor_Name)>10,IF(aggr(rank(sum([NET_Amount])),vndProclass_Lvl1,vndVendor_Name)<=20,Sum([NET_Amount]))))

  • Remaining = IF(aggr(rank(sum([NET_Amount])),vndProclass_Lvl1,vndVendor_Name)>20,Sum([NET_Amount]))

What I actually want is to have category as the only dimension and then three expressions, one for each bar segment but my current expressions rely on vndVendor_Name being a dimension.

E.g. Category | Total spend for top 10 suppliers | Total spend for next 10 suppliers | Remaining spend

Can anyone help me with this? It's really beginning to bug me.

1 Solution

Accepted Solutions
lironbaram
Honored Contributor II

Re: Calculate the total spend of top N vendors, by vendor category

hei attach is an example

the logic is ranking the vendor to group in calculated dimension

hope it helps you

4 Replies
lironbaram
Honored Contributor II

Re: Calculate the total spend of top N vendors, by vendor category

hei attach is an example

the logic is ranking the vendor to group in calculated dimension

hope it helps you

Re: Calculate the total spend of top N vendors, by vendor category

Hi,

Use Range sum function in place of Rank function.

Rgds

Anand

Not applicable

Re: Calculate the total spend of top N vendors, by vendor category

Great! Thank you for your help!

I hadn't thought of the problem the same way but that has been very helpful.

Alex B.

Not applicable

Re: Calculate the total spend of top N vendors, by vendor category

Hi Liron,

I have managed to use your suggestion and it works great, thanks. However I was hoping to show each segment of the stacked bar as a % of the total for that category. This means they should all add up to 100.

I thought I could just do the following within the expression in order to calculate each section as a percentage of the total for the category but it doesn't do what I anticipated.

= sum(NET_Amount) / Aggr(sum(NET_Amount),Category)

Any suggestions?

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